The CALIFORNIA AIR TOOLS 10020SPC Ultra Quiet and Oil-Free Air Compressor is designed to be one of the quietest 2.0 horse power air compressors in the industry having only 58 decibels of sound. The Powerful "New" 2.0 HP (SP-9421) motor operates at only 1680 RPM creating less noise and less wear. The "New" SP Series of Ultra Quiet Air Compressor Motors have been designed to increase duty cycle and allow for longer continuous run times. The Oil-Free Dual Piston Pump System is engineered for high performance and durability. The CAT-10020SPC Air Compressor has an Oil-Free Dual Piston pump designed to have a life cycle before wear of 3000 plus hours compared to other comparable air compressors with life cycles of 500 hours or less.'the Oil-Free pump allows for use in a variety of temperatures (cold starts) and uneven terrains (no oil in the pump).The Easy Start Valve feature allows for an easier start up using less starting amps. The Easy Start Valve releases a small amount of air from the pump at start up to produce a no-load condition allowing the motor to spin freely. The large 10 gallon steel air tank is allows for more air capacity. The complete Soundproof Cabinet is 190 lbs. The Soundproof Cabinet is made of a sturdy metal frame with 1/4" Acoustic Sound Proofing Foam insulation to reduce the noise by 30%.The cabinet has'two latching doors that allows for easy access to the air compressor and components. The two cabinet exhaust fans are used to remove air from the cabinet for a cool working condition for the air compressor. The 4 caster wheels makes moving the air compressor from location to location very easy. This air compressor is ideal for anyone working inside a (office, shop, store, warehouse, lab or home) were noise is a major issue. Designed for the person looking for Power, Air Flow, Less Service and Maintenance with at Least 30% Less Noise!