Single hole deck mount mixing faucet,compression cartridges with spring checks,lever handles and 18" flexible stainless steel supply hoses w/ 1/2" NPSM / 5/8" compression connections. Certified to ASME A12.18.1/CSA B125.1,NSF 61- Section 9 and NSF 372. Meets ADA ANSI/ICC A117.1 requirements.