Pfister Arterra Single Control 4" Centerset Bathroom Faucet, Polished Chrome Meets ADA/ANSI A117.1 requirements, ensuring accessibility to all disabled persons Pforever Sealadvanced ceramic disc valve technology with a never leak guarantee Faucet mounted on sink deck or countertop TiteSeal deckplate eliminates the need for putty or silicone and simplifies installation Product complies with NSF/ANSI 372 and conforms with lead content requirements for lead-free plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act.