Description: Description Color: Blue Material: stainless steel silicone Size Type A: 50x92mm (suitable for 4044mm floor drain aperture) Type B: 50x60mm (suitable for 4044mm floor drain aperture) Type C: 45x95mm (suitable for 3539mm floor drain aperture) Type D: 38x95mm (suitable for 2834mm floor drain aperture) Specifications: This cheap can save you expensive maintenance costs and avoid the pain caused by cockroaches, noise and spills Prevent backflow: prevent drainage from flowing back into the room; prevent leakage and overflow. Antiodor and insectproof: The odor in the sewage is sealed and filtered with an automatic shutoff design. Durable and resistant to rust: no need to worry about deformation after stretching, super flexibility and abrasion resistance Easy to install: Install in seconds without any tools. Widely used: can be connected with underground septic tanks, sewage pipes, used with shower rooms and floor drains in the basement, and can be effectively installed in PVC pipes Made of highquality silicone, completely environmentally friendly Package Included: 1 * filter screen, 1 * fixed cap, 1 * silicone sleeve