INSTANT-OFF ECO Universal Water Saver Automatically Shuts Off Water! Push Rod for Water-Release Rod Water Instantly Stops. Replaces Aerator, Stops Drippy Faucets, Option for continuous water flow. Automatically Shuts Off Water Stops Drippy Faucets Push Rod For Water  Release Rod Water Stops Worlds Most Effective Water Saver for Bathrooms and Kitchens. Replaces the Aerator on any faucet