Put an end to smelly drains with our innovative Anti-Odor Floor Drain Core, designed for sinks and showers. Constructed from high-quality, flexible silicone, this one-way valve can be easily retrofitted into existing drains to eliminate unpleasant odors, sewage back-wash, suds, insects, and even noise. Ideal for homes, hospitals, and high-rises, this 100% effective drain core ensures a cleaner, fresher environment in your bathroom or kitchen. Deep Water Seal Deodorant Left and Right Double Outlet Drainage Rapid Drainage-Not Easily Blocked Suitable for Conventional Floor Drains on the Market A Hair Catcher & Drain Tube In One Product Material: Non-Toxic Silicone To Use: Measure the inner diameter of drain hole or floor waste to make sure the drain core is compatible. Please feel free to contact us for any installation issues. Available In Multiple Drain Sizes: (Style on first picture: B) Style A 42-45mm Style B 42-45 short style Style C 37-41mm Style D 30-36mm Features Prevents drain blockage Material: High-quality, flexible silicone Helps to eradicate stinky odor Maintenance-free & non-toxic Comes in 4 styles (sizes) A: 42-45mm, B: 42-45 (short), C: 37-41mm, D: 30-36mm Note: check the diameter of the hole before installation