4" wall mount mixing faucet with chrome plated brass body,2 15/16" swivel gooseneck with 2.2 GPM aerator,ceramic cartridges with check valves,lever handles,1/2" NPT male inlets and chrome plated escutcheon. Certified to ASME A112.18.1/CSA B125.1,NSF 61-Section 9 and NSF 372. Meets ADA ANSI/ICC A117.1 requirements.