Connect to your hose quickly and easily. Shut off valve offers easy on, off and flow control. Allows you to change out any spraying device without having to trek back and forth to the faucet to shut the water on and off. Concentrated jet stream, powerful enough to clean off built up grime from balcony floor and clean outdoor furniture decks, driveways, patiosquickly and easily, it is better to work with water shut off valve.