T&S Brass, EC-3105-4W-S, Hand Sink, stainless steel, with side splash shields and 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, 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.