Say goodbye to bad smells and clogged drains with our state-of-the-art odor-proof floor drain. This floor drain uses a mechanism that intelligently opens to let water flow out and closes to keep out odors and when not in use. It is the perfect solution to keep clean and ensure a comfortable home environment. Specifications Material: ABS plastic + PVC Size: Applicable size: Large cover red floor drain 28-40mm , odor-proof floor drain 33-43mm Package 1 * New drain and filter Intelligent - Control: The Drain Automatically Opens To Let Water Flow When Needed, And Closes Tightly When There Is No Water, Using Natural To Odors And From Entering. Easy To Install: Our Floor Drain Has A Design, Which Is Easy To Install And Compatible With Most Standard Systems. Wide Range Of Uses: Suitable For Bathrooms, Kitchens, Laundry Rooms And Basements. Material: Our Floor Drain Is Made Of High-quality Stainless Steel And ABS Plastic, Which Is -proof, And Long-lasting. Odor-proof: Our Floor Drain Is Equipped With A Sealing Cover And A Self-closing Mechanism, Which Can Effectively Stop Bad Odors From Seeping Through The Drain.