DuraVent and Frieling USA, Inc. Kitchen Appliances

Use to add length to DVL pipe. 6 pipe adds 2-5 of length, 12 pipe adds 2-11 of length, when used with rigid sections of pipe. 12 section can be ovalized for oval-to-round appliance connector

Designed for installation with minimum clearance to combustibles (6 to walls, 8 from top of horizontal run to ceiling). Available in 6, 7, and 8 diameters. Subtract _ for installed length. Constructed with a stainless steel inner wall.

Connects DVL pipe to the appliance flue outlet. Use as a stove adapter. The damper is optional.

Use to adapt DuraBlack stovepipe to appliance flue outlet

Use to increase from a smaller appliance flue outlet to larger diameter chimney or stovepipe.

Offsets obstructions as needed. Elbows angles are adjustable. Not recommended for rear exit appliances

Close-Clearance Connector Kit allows for connection between a wood burning appliance and a Class A Chimney for a typical through-the-ceiling installation. Twist-lock connection makes installation easy. (1) DVL/DuraBlack adapter (2) 24in. double-wall black lengths (1) 12in. double-wall adjustable black pipe

Use on Vermont Casting appliances with oval flue collars to adapt to round pipe.

Superior quality, polished 18/10 stainless steel for a mirror finish look. Double wall construction retains the heat four times longer than glass. Nothing but stainless steel inside and out, including a sturdy, all-steel plunger. Built to stand the test of time.

Technical Specs:

• Holds up to 36 fl. oz. of coffee
• Dishwasher safe (no need to disassemble)
• 9.5" H
• Made in China

You asked for them: here they are! Brushed finish inside and out. Same superior quality as our bestselling mirror finish French Presses. Unbreakable 18/10 stainless steel is the material of choice for a French press you feel comfortable using every day. Double-wall stainless steel retains heat 4 times longer than glass.

Technical Specs:

• Holds up to 36 fl. oz. of coffee
• Dishwasher safe (no need to disassemble)
• 9.5" H
• Made in China

You asked for it: here it is! The best-selling French Press even larger: 44 fl. oz.! Celebrate the pure flavor of coffee with our double wall insulated French Press. It retains heat four times longer than a glass press. Made of 18/10 stainless steel, this press is extremely durable, built to stand the test of time. All steel components are dishwasher safe. No need to disassemble the plunger. French Presses are available in 4 additional sizes; mirror finish and brushed finish.

Technical Specs:

• Holds up to 44 fl. oz. of coffee
• Dishwasher safe (no need to disassemble)
• 10.25" H
• Made in China

You asked for them: here they are! Brushed finish inside and out. Same superior quality as our bestselling mirror finish French Presses. Unbreakable 18/10 stainless steel is the material of choice for a French press you feel comfortable using every day. Double-wall stainless steel retains heat 4 times longer than glass.

Technical Specs:

• Holds up to 23 fl. oz. of coffee
• Dishwasher safe (no need to disassemble)
• 8.5" H
• Made in China

4" Inner Diameter DirectVent Pro Galvanized Round Horizontal Termination Cap Square Base (Aluminum) The DirectVent Pro 4" Inner DIameter Galvanized Round Horizontal Termination Cap Square Base (Aluminum) is a component that is used in a typical venting installation. The round horizontal termination cap is used for through-the-wall terminations. Check installation instructions for restrictions on horizontal cap terminations, such as minimum distance from windows and doors. Only available in aluminum. Check with appliance manufacturer for approval. Features: Inner Diameter: 4" Outside Diameter: 6-5/8" Dimensions: 11" L x 11" W Use for Through-the-Wall Terminations Material: Aluminum Check with Appliance Manufacturer for Approval DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior. DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

DuraPlus Collection 8" x 36" Stainless Steel Class A Triple Wall Chimney Pipe Length The DuraPlus 8" x 36" Stainless Steel Class A Triple Wall Chimney Pipe Length is designed for appliances tested and listed for is used with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. 6”, 9”, and 12” chimney pipe has 1” insulation blanket; 24”, 36” chimney pipe has 1/2” insulation. To calculate the installed length of DuraPlus chimney pipe, subtract 1 1/2” from each length of chimney pipe. Features: Length: 36" Inner Diameter: 8" Outer Diameter: 12" Designed for Use with Appliances Fueled by Wood, Oil, Coal, or Gas Chimney Pipe has 1/2" Insulation Blanket UL Listed Material: Stainless Steel DuraPlus is designed to stay cool on the outside, to provide a hot draft on the inside, to boost stove efficiency, and to provide for a fire-safe design that protects both the chimney and the building. This triple-wall chimney features two insulating layers (ceramic blanket, plus air space). The ceramic blanket insulation is held securely in position, eliminating hot spots common with loose-fill type insulations. In the event of a creosote fire, the compressible blanket insulation permits the chimney liner to expand outwardly in a radial direction. DuraPlus Chimney is a triple-wall, all-fuel chimney for use with wood stoves, fireplaces, furnaces, boilers, stoves, ranges, water heaters, or other appliances fueled by wood, oil, coal, or gas. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting. The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

FasNSeal Collection Rain Cap for 6 Inch FasNSeal Vent PipeWarranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. This FasNSeal Rain Cap for 6 Inch FasNSeal Vent Pipe features a patented built in mechanical locking band and triple lipped directional gaskets which allows for ease of installation. Use to terminate above the roof line. When terminating above 12” vent diameter use a Termination Cone.Features:

• Inner Diameter: 6"
• Fuel Types Compatible With: Gas
• UL Listed: Yes
• Single Wall Construction
• Limited Lifetime Warranty

All FasNSeal single-wall and double-wall vent lengths and components feature patented built-in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. This construction feature allows for ease of installation. All FasNSeal components which come in contact with exhaust gases and condensates are now silicone free. This important design and manufacturing feature greatly reduces the chances of system breakdown and failure. The main problems with silicone are there are too many adhesion factors which are very difficult to control and the process of binding similar materials with an epoxy, which can weaken the bond over time. Welded seams ensures a leak-free product that is meant to last.Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting. The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

FasNSeal Collection Termination Tee for 8 Inch FasNSeal Vent Pipe Warranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. This FasNSeal Termination Tee for 8 Inch FasNSeal Vent Pipe features a patented built in mechanical locking band and triple lipped directional gaskets which allows for ease of installation. Use for standard and high-wind through-the-wall terminations. Check installation instructions for restrictions on horizontal terminations, such as minimum distance from windows and doors. Features: Inner Diameter: 6" Fuel Types Compatible With: Gas UL Listed: Yes Length: 9" Single Wall Construction Limited Lifetime Warranty All FasNSeal single-wall and double-wall vent lengths and components feature patented built-in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. This construction feature allows for ease of installation. All FasNSeal components which come in contact with exhaust gases and condensates are now silicone free. This important design and manufacturing feature greatly reduces the chances of system breakdown and failure. The main problems with silicone are there are too many adhesion factors which are very difficult to control and the process of binding similar materials with an epoxy, which can weaken the bond over time. Welded seams ensures a leak-free product that is meant to last. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting. The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

Designed for installation with minimum clearance to combustibles (6 to walls, 8 from top of horizontal run to ceiling). Available in 6, 7, and 8 diameters. Subtract _ for installed length. Constructed with a stainless steel inner wall.

Use for a two-piece installation. Connects directly from stove to ceiling support box or finishing collar. Adjusts from 29- 46. No cutting required.

Use with rear exit appliances and appliances that require a barometric damper.

36 Inch Straight Length Pipe (black) PelletVent Pro is a venting system designed for stoves and inserts that use wood pellets and oil fuel. It is also built to vent biofuel products such as corn, switch grass, cherry pits, soybeans, coffee husks, to name a few. Rate for continuous feed use flue temperatures up to 570 degrees fahrenheit. All PelletVent Pro components that come into contact with flue gases are built with an inner wall or corrosion resistant super-ferritic metal. PelletVent Pro is engineered with features for a durable, safe and aesthetical pleasing venting system. PelletVent Pro is a paten-pending system for stoves and inserts that use wood pellets, corn and other biofuels, or oil as fuel. As a result of Simpson DuraVent's cutting edge manufacturing process and commitment to innovation. PelletVent Pro is uncompromised in attention to detail and performance. This perfect fit and finish is made possible with a laser-welded inner and outer wall. Features fully unitized twist-lock construction in 3" and 4" diameters. Listed at 1" clearance to combustibles in the USA and Canada. It can be used in both vertical and horizontal installations. Stainless steel welded seam inner wall, combined with galvalume welded seam outer wall.

Offsets obstructions as needed. Elbows angles are now adjustable. Adjustable elbows are manufactured drip free so creosote travels back to the stove as intended

Connect your stove to your DuraPlus chimney with black single wall stovepipe featuring die-formed end fittings and adjustable lengths that eliminate cutting and crimping. Drip-free, 24-gauge steel. 18" clearance to combustibles. Kit includes a 14" slip connector and two 24" pipe sections with a trim collar. 6" diameter

Connects DVL pipe to the appliance flue outlet. Use as a stove adapter. The damper is optional.

FasNSeal Collection Standard Tee for 3 Inch FasNSeal Vent Pipe Warranty Notice: M&G DuraVent warranty applies to this professional grade product only when installed by a trained professional installer. This FasNSeal Standard Tee for 3 Inch FasNSeal Vent Pipe features a patented built in mechanical locking band and triple lipped directional gaskets which allows for ease of installation. Use for a 90° offset, or to combine connections from two or more appliances into a common vent. Can also use as a condensate management point when used in conjunction with drain fitting. All Standard Tees are completely welded. Features: Inner Diameter: 3" Fuel Types Compatible With: Gas UL Listed: Yes Length: 7" Single Wall Construction Limited Lifetime Warranty All FasNSeal single-wall and double-wall vent lengths and components feature patented built-in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. This construction feature allows for ease of installation. All FasNSeal components which come in contact with exhaust gases and condensates are now silicone free. This important design and manufacturing feature greatly reduces the chances of system breakdown and failure. The main problems with silicone are there are too many adhesion factors which are very difficult to control and the process of binding similar materials with an epoxy, which can weaken the bond over time. Welded seams ensures a leak-free product that is meant to last. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting. The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

DirectVent Pro Collection 4" x 6-5/8" Inner Diameter Galvanized 36" Pipe Length The DirectVent Pro 4" Inner Diameter Galvanized 36" Pipe Length is a component that is used in a typical venting installation. The DuraVent 36" direct vent pipe is designed for appliances tested and listed for direct vent. Features a fully unitized twist-lock construction in both 4"x6-5/8" and 5"x8" vent sizes. Use of sealant is optional, unless specified by the appliance manufacturer. To calculate install length, subtract 1 1/2” for each joint. No beads or hems. Black pipe lengths feature exterior laser-welded seams. Features: Length: 36" Inner Diameter: 4" Outside Diameter: 6 5/8" Material: Galvanized Steel Designed for Appliances Tested and Listed for Direct Vent Features Fully Unitized Twist-Lock Construction No Beads or Hems DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior. DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

Use to add length to DVL pipe. 6 pipe adds 2-5 of length, 12 pipe adds 2-11 of length, when used with rigid sections of pipe. 12 section can be ovalized for oval-to-round appliance connector

Use to connect from double-wall DVL and/or single-wall DuraBlack to DuraTech, DuraPlus, and DuraLiner for a throughthe-wall or ceiling support installation. Required for proper connection. Made of stainless steel

Use to connect from double-wall DVL to DuraTech, DuraPlus, and DuraLiner for a through-the-wall or ceiling support installation. Required for proper connection. Provides a strong mechanical connection. Painted black. Adapter will work with all 6-8 DuraPlus, and 7-8 DuraTech installations. Adapter will work with 5-6 DuraTech Ceiling Support Box installations only.

Designed for installation with minimum clearance to combustibles (6 to walls, 8 from top of horizontal run to ceiling). Available in 6, 7, and 8 diameters. Subtract _ for installed length. Constructed with a stainless steel inner wall.

DVL Collection 6" DVL Double Wall Chimney Adapter with Trim Use to connect from double-wall DVL to DuraTech, DuraPlus, DuraPlus HTC, and DuraLiner for a through-the-wall or ceiling support installation. Required for proper connection. Provides a strong mechanical connection. Painted black. DVL double-wall stovepipe completes the venting system when used with one of DuraVent’s chimney products, such as DuraTech or DuraPlus. DVL’s double-wall, air-insulated design reduces clearances to combustibles from 18” to 6”, the closest clearance to a wall of any connector pipe. DVL improves stove performance by maintaining high flue gas temperatures for a strong, steady draft. Because the inner wall is stainless steel the flue heats up faster, stays hot longer, minimizes the formation of creosote, and has the same life expectancy as the chimney. Adjustable lengths eliminate the need for cutting or crimping. Required for Manufactured Home installations. See appliance manufacturer's installation instructions. Features: Inner Diameter: 6" Height: 3-3/4" Width: 9" UL Listed Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting. The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

Offsets obstructions as needed. Elbows angles are adjustable.

DirectVent Pro Collection 4" Inner Diameter Galvanized 24" Pipe Length The DirectVent Pro 4" Inner Diameter Galvanized 24" Pipe Length is a component that is used in a typical venting installation. The DuraVent 24" direct vent pipe is designed for appliances tested and listed for direct vent. Features a fully unitized twist-lock construction in both 4"x6-5/8" and 5"x8" vent sizes. Use of sealant is optional, unless specified by the appliance manufacturer. To calculate install length, subtract 1 1/2” for each joint. No beads or hems. Black pipe lengths feature exterior laser-welded seams. Features: Length: 24" Inner Diameter: 4" Outside Diamter: 6 5/8" Material: Galvanized Steel Designed for Appliances Tested and Listed for Direct Vent Features Fully Unitized Twist-Lock Construction No Beads or Hems DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior. DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

Use for a two-piece installation. Connects directly from stove to ceiling support box or finishing collar. Adjusts from 40- 68. No cutting required.

DVL Collection 6" Double Wall Black 90 Degree Elbow The DVL 6" Double Wall Black 90 Degree Elbow is a component that is used in a typical venting installation. Offsets obstructions as needed. Angle of the elbow is not adjustable. Not recommended for rear exit appliances. Features: Elbow Angle: 90° Angle Not Adjustable Not Recommended for Rear Exit Appliances UL Listed Inner Diameter: 6" DVL double-wall stove pipe completes the venting system when used with one of DuraVent’s chimney products, such as DuraTech or DuraPlus. DVL’s double-wall, air-insulated design reduces clearances to combustibles from 18” to 6”, the closest clearance to a wall of any connector pipe. DVL improves stove performance by maintaining high flue gas temperatures for a strong, steady draft. Because the inner wall is stainless steel the flue heats up faster, stays hotlonger, minimizes the formation of creosote, and has the same life expectancy as the chimney. Adjustable lengths eliminate the need for cutting or crimping.Required for Manufactured Home installations. See appliance manufacturer's installation instructions. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

DirectVent Pro Collection 4" x 6-5/8" Inner Diameter Galvanized 9" Pipe Length (Black) The DirectVent Pro 4" x 6-5/8" Inner Diameter Galvanized 9" Pipe Length (Black) is a component that is used in a typical venting installation. The DuraVent 9" direct vent pipe is designed for appliances tested and listed for direct vent. Features a fully unitized twist-lock construction in both 4"x6-5/8" and 5"x8" vent sizes. Use of sealant is optional, unless specified by the appliance manufacturer. To calculate install length, subtract 1 1/2” for each joint. No beads or hems. Black pipe lengths feature exterior laser-welded seams. Features: Length: 9" Material: Black Galvanized Steel Designed for Appliances Tested and Listed for Direct Vent Features Fully Unitized Twist-Lock Construction No Beads or Hems Features Exterior Laser-Welded Seams DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior. DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.

DirectVent Pro Collection 4" x 6-5/8" Inner Diameter Galvanized 6" Pipe Length (Black) The DirectVent Pro 4" Inner Diameter Galvanized 6" Pipe Length (Black) is a component that is used in a typical venting installation. The DuraVent 6" direct vent pipe is designed for appliances tested and listed for direct vent. Features a fully unitized twist-lock construction in both 4"x6-5/8" and 5"x8" vent sizes. Use of sealant is optional, unless specified by the appliance manufacturer. To calculate install length, subtract 1 1/2” for each joint. No beads or hems. Black pipe lengths feature exterior laser-welded seams. Features: Length: 6" Inner Diameter: 4" Outside Diameter: 6 5/8" Material: Black Galvanized Steel Designed for Appliances Tested and Listed for Direct Vent Features Fully Unitized Twist-Lock Construction No Beads or Hems Features Exterior Laser-Welded Seams DirectVent Pro features tight inner connections for superb performance, with no gaskets or sealants required (unless specified by the appliance manufacturer). All black pipe lengths, pipe extensions, and elbows feature laser-welded outer wall seams for a sleek finish. Low-profile locks and no hems or beads allow for a beautiful product that looks elegant in any interior. DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces. Looking for Simpson Dura-Vent? You found it! Simpson Dura-Vent has changed their name to DuraVent. DuraVent is a recognized technological leader in the venting industry. Consistently the first to market with new innovations in venting systems, DuraVent has captured a leadership position in emerging markets. DuraVent has patents for several products and continues to design safe and technologically advanced venting.The company's research into solving problems with corrosion, when biofuels such as corn are used, led to the break-through patent for PelletVent Pro. Scientifically proven materials and unequalled engineering make DuraVent products not only the best choice, or safest choice, but the only choice for professional quality venting products.