1. The Water Outlet of the Washing Machine is Tightly Sealed, Odor-proof and Water-proof,Only One-way High-Speed Drainage Channel is Provided, and the Sewage Has No Return. 2. Stepped interface with silicone sealing ring for tighter and more secure fit,It can be used with shower room and basement floor drain to effectively block the backflow and peculiar smell in the floor drain. 3. Mainly help washing washing machine waste water enter the domestic sewage pipe, so that the washing machine drain is directly connected to the sewer pipe through the floor drain. Universal Washing Machine Floor Drain 2 in 1 Sewer Drain Connector Sink Sewer washroom Accessories Hose Adapter Disposer Name: Washing Machine Floor Drain Sealing Plug Size: Suitable for pipes with an inner diameter of 30-46MM Type: Special for washing machine Applicable scenarios: Washing machine, Basin, Mop sink, Kitchen sink drainage, Dryer Color: Dark Gray u0026 Blue Material: plastic Package Contents: 1 Floor drain connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is - 1-3cm.