T&S Brass, EC-3105-HG-4W, Hand Sink, stainless steel, with 4″ wall mount electronic sensor faucet with polished chrome plated brass body and 4 1/8″ rigid gooseneck, 2.2 GPM vandal resistant aerator, AC/DC control module with internal flow control setting switches, temperature control mixing valve with check valves, hydro-generator, 18″ flexible stainless steel, supply hoses with 3/8″ compression connections and 3 1/2″ sink drain. Certified to ASME A112.18.1/CSA B125.1, ASME A112.18.2/CSA B125.2, ASME A112.19.3/CSA B45.4, NSF 61-Section 9, NSF 372 and UL 1951. Meets ADA ANSI/ICC A117.1 requirements.