1. Scope of application: Suitable for controlling pneumatic switches for products such as garbage processor, massage tub, children's toys and so on. 2. Easy to install: Garbage disposal air switch can be easily installed on any countertop or sink, mounting hole is about 28 mm m1.1 inch. 3. ABS material: Made of ABS material, durable, waterproof and tight, with workmanship that makes the products durable and not easy to damage. 4. Strict fit: The upper air switch of the garbage disposal sink strictly matches the original opening position of the machine with the exact shape and size. 5. Good workmanship quality: The garbage disposal button adopts fine workmanship, beautiful appearance, providing a pleasant user experience. 6. Specification: Article type: air pressure bath switch; Material: ABS; Color: as shown in the pictures; Weight: Ok. 29g/1,0 ounce; Installation aperture: Ok. 28 mm. 7. Package list: 1 x air pressure bath switch