Mountain Plumbing's "Classic Touch" air switch provides safe, convenient disposer activation. No wet hands fear when turning on disposer. Perfect for island or other damp environment installations. Mountain Plumbing Products Waste Disposer Air Switch, Round Classic Touch, Brushed Stainless Steel, 4-5/8 in W x 2-5/8 in D x 4-5/8 in H Dimensions, Import