Material: The odorless silicone backflow preventer is made of thick PP material, silica gel and silicone, suitable for common floor drain gauges Function: Size: 6.5x5.5x3, 5cm / 2.56x2.17x1.38 inch. The toilet deodorant can effectively deodorize and prevent mosquitoes from climbing Fast drainage: The large displacement of the bathroom drains quickly. Even when using the washing machine, the drainage can also be easily managed and is not easy to be blocked. Sealing the space: The deodorizing floor drain features a deodorization of the seal reducing ring, sealing the gap between the floor drains to make the bathroom pipe odorless odorless Convenience: The floor drain core is a deeply deodorizing deodorant drain core waterproof, which prevents the smell of sewer channels, cockroaches from crawling, the backflow of sewer channels