Ventilation core for shower drain, odor-proof ventilation core, magnetic odor repellent

Odor Prevention: Our backflow preventer automatically closes after drainage, isolating wastewater odors and preventing backflow. During drainage, it automatically opens thanks to a magnetic levitation system, ensuring smooth and efficient drainage. Hydraulic Massage Core: This backflow preventer features a 360° design that effectively prevents blockages and backflow, guaranteeing rapid drainage. It also keeps the floor clean for quick and easy maintenance. Reliable and Durable: Made of thick copper, this backflow preventer is robust and resistant to daily use, ensuring long-term reliability and a long service life. Easy Installation: Simply insert our backflow preventer into the drain hole to instantly improve drainage efficiency. Easy installation, low maintenance costs, and optimal drainage without blockages.