Feature: Scope of Application: Perfect for controlling pneumatic switches for products such as garbage disposals, massage bathtubs, children's toys, and more. Easy to Install: The garbage disposal air switch can be easily installed on any countertop or sink; the mounting hole is approximately 28mm/1.1in. ABS Material: Made of durable ABS material, waterproof and leak-proof. Excellent workmanship ensures product durability and prevents easy damage. Precise Fit: The top air switch of the garbage disposal fits precisely to the machine's original opening position with accurate shape and size. Good Workmanship Quality: The garbage disposal button features excellent workmanship, a beautiful appearance, and provides a fantastic user experience. Specification: Item Type: Air Pressure Bath Switch Material: ABS Color: As shown in the pictures Weight: Approx. 29g/1.0oz Installation Opening: Approx. 28mm Package List: 1 x Air Pressure Bath Switch