Function: 1. Scope of application: Ideal for controlling pneumatic switches for products such as garbage disposals, massage tubs, children's toys and more. 2. Easy to install: The garbage disposal air switch can be easily installed on any countertop or sink; mounting hole is approximately 28 mm (1.1 inch). 3. ABS material: Made of ABS material, durable, waterproof and tightly sealed; excellent workmanship ensures long-lasting performance and resistance to damage. 4. Precise fit: The upper air switch for garbage disposal sink is designed to match the original opening position of the unit with exact shape and size. 5. High-quality craftsmanship: The garbage disposal button features fine workmanship and a sleek appearance, delivering a superior user experience. Specification: Article type: Air pressure bath switch Material: ABS Color: As shown in the pictures Weight: 29g (1.0 ounce) Installation aperture: 28 mm Package list: 1 x Air pressure bath switch