Features: The Water Outlet of the Washing Machine is Tightly Seal, Odorproof and Waterproof. Only single way Highly Speed Drainages Channel is Provided, and the Sewages Have No Returns. Stepped interfaces with silicone sealing rings for tighter and more firmly. It can be used with shower room and basement floor drain to effectively block the backflow and peculiarly smell in the floor drain. Mainly help washing washing machine waste water enter the domestic sewages pipe, so that the washing machine drain is directly connecting to the sewer pipe through the floor drain. Specifications: Materials: ABS and silicone Size: about 7.9x9cm/3.11x3.54inch Package Includes: 1pc Drainpipe Connector note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.