Concealed straight single valve with brass body, polished chrome plated brass adjustable wall flange and sleeve, 1/2" NPT female outlet, metering cartridge, blank push button cap and 1/2" NPT female inlet with unioncoupling. Certified to ASME A112.18.1/CSA B125.1, NSF 61- Section 9, and NSF 372. Meets ADA ANSI/ICC A117.1 requirements.