Concealed bypass single valve with brass body, polished chrome plated brass adjustable wall flange and sleeve, 1/2" NPT female side outlet, compression cartridge with spring check, 4-arm handle and 1/2" NPT female inlet. Certified to ASME A 112.18.1/CSA B125.1, NSF 61-Section 9 and NSF 372. Meets ADA ANSI/ICC A117.1 requirements.