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. Certified to ASME A112.18.1/CSA B125.1,NSF 61-Section 9,and NSF 372. Meets ADA ANSI/ICC A117.1 requirements.