The Tomlinson Designer RO Faucets allow you to match a high style faucet for reverse osmosis water with today's high-end kitchens. Made of high-quality lead-free brass, the Tomlinson Designer RO Faucet is a real standout. These RO faucets feature a smooth operating ceramic disk element, lever style handle, high neck design of 12", the neck swivels easily - 360, a unique protective spout tip prevents after drip, a 2-1/4" base, NSF listed to ANSI NSF Std. 61-1999a, mounting hardware, and a two-year warranty. Can be used in both air-gap and non-air-gap applications. The air gap in this product is modular and can be removed.