BrassCraft® Dishwasher Air Gap, 5/8 in OD Inlet x 7/8 in OD Outlet Diameter Mounting Hole, 9 in Height, 1.63 in Width, Plastic, Import
Used to ensure that waste water is not siphoned back into the fresh water supplied to the applianceProvides an alternate water drainage route in the event that the drain hose is clogged, water may flow directly into the sinkSteel chrome plated cap/rubber washer/plastic retaining nut