This waste disposer kit has been replaced with an old waste disposer with an air switch It is widely used in food waste disposer, massage tub, pumps for swimming pools and spas, hot tubs, sanitary equipment Garbage treatment air switch spa bathtub air switch button kit Classic waste disposer air switch kit with 1m / 39.3 " air hose for food waste disposer Garbage disposal air switch spa bathtub air switch button kit, and cost-effective