The single blast bottle washer allows you to easily wash beer bottle, carboy, wine bottle, tubing and more. Attached to any faucet with a garden hsoe thread, or to a sink with a faucet adapter and turn on the water. The blast will only spray water when you down on the nozzle as the nozzle reduces to a small diameter it can be used to clean narrow items such as tubing lines. Features: Autmomatic Operation Press to rinse, lift to stop Press your siphon hose on the nozzle tip to rinse racking tubings, etc Easy on Plumbing Cold or warm eater recommended 200 Max Work Range: opening diameter lager than 7mm, less than 44mm. Need to be assembled by the customer Colour: Black Material: PA+Metal Package Contents: 1 x bottle washer Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.