DELFINO Drain Backflow Preventer, 2Pcs Floor Drain Strainer Mesh Drain Cover, Round Lid Silicone Core Toilet Anti-odor Taste Inner Core Sealing Ring（Silicone & Stainless Steel)

💦Size & material - 1.97 x 1.97 x 3.74inch, Anti-rust steel filter, Silicone Drain Backflow Preventer, No worry about deformation after stretching, super flexible; Ever-lasting and durable.
💦Feature - This grate seal can stop the drain smell. Stop the sewage from the pipeline through the floor drain. No More Backflow Smart V-shape draining system and closing bottom design, really a one way valve for water.
💦Design - When is draining, the grate seal will open automatically under the effect of the gravity. This trap guard is designed in V-cup shape, water can go out smoothly. After draining, the drain flies will close automatically.
💦Practical functions - The floor drain filter with the automatic closing design, seal stinky smell and odor from sewage gas; Prevent the drain water from backing up to the room; Anti- water leakage and overflow. It can be use for floor drain of the shower room and basement.
💦Warm tips - If there are any problems with the product or you have better suggestions, you can contact us and we will reply to you within 24 hours.