Alfi AB2609-BN Brushed Nickel Air Gap Cover and Tube for Dishwasher

Our ALFI brand Air Gap prevents sewer water from flowing back into the dishwasher. As the water flows through the drain hose, it creates a suction on the water that is still in the dishwasher. The air gap provides a hole for air to get in, ensuring that water only leaves the dishwasher when it is pumped out.