8" concealed bypass mixing valve with polished chrome plated brass adjustable wall flanges and sleeves,polished chrome plated brass spout with pail hook and garden hose male outlet,compression cartridges with spring checks,4-arm handles,1/2" NPT atmospheric vacuum breaker,upper support rod and 1/2" NPT female inlets. Certified to ASME A112.18.1/CSA B125.1,NSF 61-Section 9,NSF 372 and ASSE 1001. Meets ADA ANSI/ICC A117.1 requirements.