Use this Westbrass Replacement Air Switch Trim for either Westbrass Air Switch unit ASB-2B3 (dual outlet) and model ASB (single outlet). The remote air switch protects the user from electrical shock. 3 in. length switch body fits 2-1/2 in. thick decks. Sturdily constructed, it securely mounts to the switching unit with an air hose. A pulse of air starts the disposal and a second pulse makes the disposal stop. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Be sure to check out our other model styles and VISIT OUR WESTBRASS STOREFRONT for more Kitchen and Bath items to stylize your home with convenient functionality and beauty.