The rib design on the connector helps to firmly fix the water pipe. The pipe clamp is made of metal to further tighten the water pipe to water leakage. This washing machine hose connector has an interface diameter of 20mm and a length of 66mm for most washing machine/dishwasher/dryer hoses. Washing machine drain hose extension Suitable for kitchens, bathrooms, garages, basements, gardens, RVs, and more. In addition to connecting the two hoses, you can also use the washing machine drain hose extension connector to repair the water pipe. The washing machine waste pipe extension connector can help you quickly connect two drain hoses without professional tools.