1、Applications: It is very suitable for the control of pneumatic switches of garbage disposals, massage bathtubs, children's toys and other products. 2、Easy to Install: The garbage disposal push button switch can be easily installed onto any countertop or sink. Convenient and practical. 3、ABS Material: Made of premium ABS plastic material, this air pressure switch is durable, waterproof and leakage proof. Exquisite workmanship and superior performance. 4、Specification: The mounting aperture is 32mm / 1.26in. And the lightweight of the button switch makes installation more labor saving. 5、Small Size: The push button switch owns a small size and it can be built into most engine connection boxes. Widely used in swimming pools, hot springs, hot tubs, and cleaning equipment.