Adler single handle faucet with lever handle and 9" spout. Washerless cartridge design. Flow rate of 1.5 GPM (gallons per minute) at 80 psi (pounds per square inch). Solid brass construction and brass waterways. 8" centers. 1/2" I.P.S. connectors. CSA (Canadian Standards Association), ADA (Americans with Disabilities Act), and NSF (National Sanitation Foundation) certified. For replacement cartridge see Model No 4000 (SKU 464447). Lifetime limited warranty.