<ul><li>Compatible with Reverse Osmosis Systems</li><li>Designed for use with Waterstone filtration faucets</li><li>Solid brass construction</li></ul> Product Description Air Gap is a devise mounted at the back of a kitchen sink connecting to the drain line between a dishwasher and disposer to allow the dishwasher to discharge freely into the disposer while preventing contaminated water from siphoning back into the dishwasher. From the Manufacturer Air Gap is a devise mounted at the back of a kitchen sink connecting to the drain line between a dishwasher and disposer to allow the dishwasher to discharge freely into the disposer while preventing contaminated water from siphoning back into the dishwasher.

Waterstone 2100-SN Traditional Reverse Osmosis Air Gaps, Satin Nickel