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Brushed Nickel, Air Gap Kits and Caps

An air gap kit and cap is a plumbing device required by some communities that prevents wastewater backflow from entering the dishwasher and the potable water supply. It provides airflow, preventing a vacuum from causing a reverse flow of water. The drain from the dishwasher is connected to the smaller of the two tubes allowing for water from the dishwasher to be pumped up through it and shoot against the air gap cap. The wastewater falls through the larger tube of the air gap kit and drains toward the garbage disposer.

Kohler 9110-BN Air Gap W/Cover, Brushed Nickel Kohler 9110-BN Color: Brushed Nickel Price: $25.30 $17.46 You Save: $7.84 (31%)

Kohler 9111-BN Air Gap Cover W/Coller, Brushed Nickel Kohler 9111-BN Color: Brushed Nickel Price: $19.45 $13.42 You Save: $6.03 (31%)

Mountain Plumbing MT400U/BRN Air Gap Unit, Brushed Nickel Mountain Plumbing MT400U/BRN Color: Brushed Nickel Price: $35.00 $24.15 You Save: $10.85 (31%)