Features: Premium brass automatic water shuts off valves prevents flooding accidents with fast leak blockage when hoses detaches , featuring strong corrosion resistant construction. This 55x20mm brass faucet adapters integrates a auto activating valves cores and standardized G1/2 threading for smooth compatibility with 20mm water outlets. Ideal for homeowners and DIY enthusiasts search reliable washing machine connection and enhances plumbing safety in residential setting . Secures washing machine water supply lines in apartments, houses, or laundry room while preventing accidental water damage during operation. Engineered with accuracy machined brass component for leak proof connection and long service performances in humid bathroom/laundry environment. Specifications: Component : Brass Size: about 55x20mm/2.17x0.79inch Applicable: 20mm (G1/2 faucet) Package Includes: 1xExtended Water stops valves note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.