KES NSF Bathroom Waterfall Faucet Single Handle Lavatory&nbsp;Basin Vanity Sink Lead Free Brass cUPC Faucet Tap Mixer Brushed Nickel, L3121LF-BN CUPC NSF CERTIFIED: This faucet meets U.S. and Canada high quality standard (Uniform Plumbing Code), certified by IAMPO. Faucet body is made from premium grade LEAD-FREE brass (with less than 0.25% lead content), complied with NSF/AB1953 lead-free regulation and safe for drinking water. ALL BRASS FAUCET BODY: Less than 0.25% weighted average lead content. One-piece BRASS faucet body, not plastics covered by zinc-alloy shell. BRASS is high-pressure resistant and won't easily corrode like zinc-alloy. Premium brass material ensures longevity and reliability. INSURED QUALITY HOT/COLD WATER SUPPLY HOSES: Our hoses have nylon braided exterior, which protects against chemical corrosion (commonly caused by detergent) and rusting (yes, stainless steel will become rusty). And the inner tubing is made from PEX, safe for drinking water. With standard 9/16-24 UNEF connectors (of course made from lead-free brass, drinking water safe again!), you can easily connect our hoses with your stop valves. Moreover, our supply hoses have million dollars global insurance NO SPLASHING, MINIMUM NOISE: UPDATED spout regulator creates a crystal-clear and non-splashing stream. And can gives quiet operation. Max. Flow Rate: 2.2 GPM (8.3 L/min) at 60 PSI. KES's faucet is 100% tested with pressured-water at factory. UNDERMOUNT/PEDESTAL SINK FAUCET: Mounting Hole Diameter: 1.26-inch to 1.42-inch, Max. Counter Thickness: 1.38-inch, Spout Reach: 4.22-inch, Spout Height: 3.94-inch. For 3-hole installation, you can purchase a hole cover (pls search B077M92RD5). For drain assembly, please search B00IY4LOEA (with overflow) or B00VWIQVUW (without overflow). Hardware and instructions included.