Single Hole Installation: Faucet has a single hole for easy installation Reverse Osmosis Purification: Removes impurities from water using a reverse osmosis membrane Durable Construction: Made from ceramic, brass, and copper for long-lasting use Maximum Flow Rate: Faucet can deliver up to 1.8 gallons per minute for fast water flow Includes Installation Kit: Comes with connectors, tools, and a 1/4 inch pipe for quick and easy installation One-Handle Drinking Water Filter Faucet for Kitchen Sink, Water Purifier Faucet, Only for Cold Water