Features: 1. The switch button cover for food waste disposer is constructed from 304 stainless steel, while the thread plug is made of durable ABS plastic for long-lasting use. 2. No tools are required for installation of the strainers or stopper. Easy to clean by removing and washing with soapy water. 3. Can be mounted on the countertop beside the sink or installed in an existing hole on the sink ledge. 4. Suitable for use with food waste disposers, whirlpool tubs, pool pumps, outdoor equipment, and automotive applications. 5. Note: Please double-check the size/diameter before ordering. Notice: Actual color may vary slightly from the image due to differences in monitor displays and lighting. A 1-3 cm measurement deviation may occur due to manual measurement. Material: 304 Stainless Steel, ABS Size: As shown in the image Color/Style: As shown in the image Includes: Choice 1: 1 x Air Switch Choice 2: 1 x Air Switch, 1 x Hose