INSTANT-OFF Home 350 CFlow Automatic Shut Off for Bathrooms & Kitchens with Continuous Water Flow feature. Stops wasted water, Stops Drippy Faucets, reduces spread of germs. 3.5" control rod, Save water, save money, and reduce the spread of germs. Repair and stop a drippy/dripping faucet. On-Off Push Rod For Water  Release Water Stops. Recommended For: Regular faucets, regular or deep sinks, including bathrooms, kitchens, laundry sinks Replaces the aerator on any faucet