(2PCS) Anti-odor Plug for Sewer Shower Floor Drain Evacuation Floor Drain Anti-backflow Drain Plug 41-50mm 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. Single-guide water: The floor drain core adopts single-guide water technology, which opens the water outlet when the water flow passes and closes the opening when there is no water flow, which is sensitive and convenient to prevent odorous water and odor from flowing into the house. Easy installation: The floor drain core is easy to install, suitable for 41-50mm drain use, plug and play, convenient and fast. Multi-function use: After the floor drain core is installed, the water flow can be drained, blocking the odor of the drainage pipe and preventing pests from climbing into the house. Uses: The core Floor drain can be used for 41-50mm drain, bathroom, balcony, kitchen, basement, laundry room, garage and other places can be used