Anti-Odor Floor Drain PP Silicone Backflow Preventer Valve Sewer Core Drainage Insert Plug Gas Sealer Floor Strainer Trap Seal Deodorant Drain Core Toilet Bathroom Floor Drainer Inner Core Sewer Pest Control Silicone Anti-odor Artifact Water Seal No Smell [FunctionDrain pipe seals are mainly used to be inserted into drains, floor drains and drain under the sink to prevent odours, dirty water, vermin from entering or backing up and overflowing, keeping a clean, sober and tidy space. Double Layer DesignWashing machine drain hose sealing plug adopts double hollow design that can drain a wide range of 360, with a drainage capacity of 36 liters/minute, fast drainage and no clogging; the internal inverted wedge-type mating surface fixes the inner core, which helps the inner core not to fall off and not to move. Easy To InstallSewer odor-proof sealing stopper has a height of 6.5cm/2.56in and a width of 5.5cm/2.16in that can be installed in sewer holes with diameter of 3.7-5.2cm/1.45-2.05in. Plug-and-play without removing floor tiles or drains, making it easy to install. Selected MaterialBackflow preventer is made of high quality silica gel and PP plastics material, non-toxic and odorless and does not contain harmful substances that can be used with confidence; smooth surface without burrs, which not only doesn't hurt your hands when you use it, but also conducive to water cleaning in order to reuse; the core of the acid and alkali-resistant valve fits tightly around the corrosion-resistant seal, keeping odors, sewage, pests and rodents out. Widely UseSewer odor-proof sealing stopper is widely used for odor proofing sewer openings in bathrooms, kitchens, toilets, washing machines, washbasins, bathtubs, sinks, showers and other places. Description: Toilet deodorant floor drain core toilet floor drain bathroom inner core sewer pest control silicone anti-odor artifact Plug and play, easy installation Note: The sewer holes larger than 3.7 and less than 5.2 can be used, suitable for 99% of the sewer caliber 1.Please allow 0-1cm errors due to manual measurement. 2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. 3.If you have any questions about the product, please contact us, we will patiently answer for you! Specifications: Name: toilet deodorant floor drain core toilet floor drain bathroom core sewer insect-proof silicone anti-odor artifact Size: 6.5*5.5cm Color: as shown Material: PP silicone Weight: about 60grams _x000D_