Ideal for homeowners and enthusiasts search stable washing machine connection and enhances plumbing in residential setting Premium brass automatic water shuts off valves prevents flooding accidents with fast leak blockage when hoses detaches, featuring strong erosion resistant construction Secures washing machine water supply lines in apartments, houses, or laundry room while accidental water damage during operate This 55x20mm brass faucet adapters integrates a auto activating valves cores and standardized G1 / 2 threading for smooth compatibility with 20mm water outlets Engineered with accuracy machined brass component for leak proof connection and long service in humid bathroom / laundry environment