High-quality material: The floor drain core is made of high-quality ABS material, which is durable, corrosion-resistant, and not easy to deform and break. Easy tap water: The floor drain core uses single-guide water technology, which opens the water outlet when the water flow passes, and the opening closes when there is no water flow, which is sensitive and convenient to prevent water and strong-smelling odors from flowing back into the house. Easy installation: The floor drain core is easy to install, suitable for 41-50mm drain, plug and play, convenient and fast. Multifunctional use: After installing the floor drain core, the water flow can be discharged, blocking the odor of the drain pipe and preventing pests from climbing into the house. Use: The floor drain core can be used for 41-50mm drain, plug and play, bathroom, balcony, kitchen, basement, laundry room, garage and other places.