Function: 1. Scope of application: Ideal for controlling pneumatic switches for products such as garbage disposals, massage tubs, 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 approximately 28 mm (1.1 inch). 3. ABS material: Made of ABS material, durable, waterproof and tight; excellent workmanship ensures long-lasting performance and resistance to damage. 4. Precise fit: The upper air switch for garbage disposal sink accurately matches the original opening position of the unit in both shape and size. 5. High-quality craftsmanship: The garbage disposal button features fine construction and a sleek appearance, providing a great user experience. Specification: Article type: Air pressure bath switch Material: ABS Color: As shown in the pictures Weight: Approximately 29g (1.0 ounce) Installation aperture: Approximately 28 mm Package list: 1 x Air pressure bath switch