Single lever hot and cold water mixing sink faucet with 4" fixed centers, 4 5/8" center to center rigid cast brass spout, 1.5 GPM vandal proof pressure compensating laminar flow non-aerating outlet, thermostatic ceramic cartridge with scalding protection and integral check valves. Chicago Faucets 420-T41AB Features: Covered under Chicago Faucet's limited lifetime warranty Faucet body constructed of solid brass ECAST material Brass is highly resistant to corrosion and an excellent choice to withstand high temperatures Centerset installation - 1 hole one-piece faucet with 2 centers Single lever handle controls the flow and temperature of water Faucet includes thermostatic ceramic mixing cartridge with scald protection and integral check valve Drain assembly not included ADA compliant Low lead compliant Technologies and Benefits: Commercial Grade Faucet: When a product is marked as "commercial grade" it means it has been built specifically to stand the test of time, and has been factory tested to function flawlessly through constant and continuous use. It is expected that faucets used in a commerce fashion will see much more use, and inversely abuse than typical faucets you might see in a residential setting, so they are engineered to do just that. Using simple, yet reliable, designs coupled with the industry's highest quality materials these faucets are some of the most reliable on the market. Although they are marketed as being ideal for commercial settings, the savvy home owner might take the quality found here and add a staple of functionality throughout the home as well. ECAST Construction: With the threat of lead pollution in the public's supply of drinking water, Chicago Faucets was one of the industry's first to take the lead in finding a solution. These faucets are made of the same durable, high quality materials and fittings as always, however they are manufactured with .25% or less total lead content by weighted average. This means their faucets not only meet the strict guidelines first introduced by states like California and Virginia, but it surpasses those standards, coming as close to truly lead-free as possible. Chicago Faucets 420-T41AB Specifications: Height: 5-5/8" Spout Height: 2" Spout Reach: 4-5/8" Flow Rate: 1.5 (GPM) gallons-per-minute Faucet Centers: 1" Maximum Deck Thickness: 1-1/2" Codes and Compliance: ASME A112.18.1/CSA B125.1 California Health and Safety Code 116875 (AB 1953-2006) Vermont Bill S. 152 Louisiana Low Lead Law HB. 471 NSF/ANSI 372 Low Lead Content Certified to NSF/ANSI 61, Section 9 by CSA ADA ANSI/ICC A117.1 WaterSense Listed Certified to ASSE 1070 by CSA