WOWOW Faucet Filler Faucet Kitchen Premuim Made Make You Trust NSF certification ceramic valve provides drip-free performance The lead-free ceramic cartridge is certified by NSF, making sure the amount of lead inflow water complied with safety standards. Ceramic valves turn smoothly. No unusual volume when water flowing. High-Performance Neoperl Aerator, Built-in neoperl aerator, provides a comfortable washing experience Pot filler faucet folding, premium brass construction of faucet body and handles ensure durability and easy cleaning. There are two valves for double flow control, double jointed spout extends up to 20″, then folds out of the way when not in use.