APEC Water SystemsPremium ceramic disc operated, certified lead-free RO drinking water dispensing faucets. 1/4 inch input. Solid metal handle controls the smooth and durable 1/4 turn ceramic disc valve, allowing pure water to pour at any rate you desire. Swivel spout. These high quality faucets are worthy upgrades to consider. The non-air gap design enables water moving faster and easier from the faucet without any noise and clogging.84894818854961005259