Outstanding quality and craftsmanship is evident in this concealed mixing faucet. Chrome-plate brass body, compression cartridges with spring checks, 4-arm handles, 3/8" NPT female inlets and outlet Certified to ASME A112.18.1/CSA B125.1, NSF 61-Section 9 and NSF372. Meets ADA ANSI/ICC A117.1 requirements.