Product features and benefits Material and size: Made from copper. dimensions 16.5*23.3cm — compact profile that fits standard floor openings. Reliable water seal: Water seal height 9cm provides an effective barrier against sewer gases. Installation compatibility: Designed for pipe installation depth of 50–75mm. Automatic spring valve: Bottom valve opens and closes automatically using a spring mechanism to prevent odor penetration, backflow, and entry into the house. Large drainage capacity: Wide internal flow area ensures rapid water extraction to reduce standing water. Detachable cover and debris filter: Removable cover captures hair and debris to prevent them from entering the pipe and causing clogs; easy to remove and clean. How it solves common problems Stops sewer odors and backflow: The 9cm water seal plus the springoperated valve keeps foul smells and backflow from entering living spaces. Reduces maintenance and clogs: The large drainage design plus the detachable cover prevents hair and other debris from blocking the drain, lowering the need for frequent clearing. Fits typical floor installations: The 50–75mm pipe depth compatibility and standard dimensions make it suitable for most renovation and replacement projects. Practical use scenarios Bathroom shower or wet room: Install as the main floor drain to prevent hair clogs and block sewer odors while keeping drainage fast. Kitchen laundry or utility area: Place near sinks or washing machines to handle heavy discharge and prevent backflow into the home. Garage or basement floor drain: Use in basements or garages to stop sewer gas and pests from coming inside while allowing quick drainage of water. Quick specs Material: Copper Size: 16.5*23.3cm Pipe installation depth: 50–75mm Water seal height: 9cm Mechanism: Bottom automatic spring valve (opens/closes to prevent odor penetration, backflow, and entry into the house) Maintenance: Detachable cover for easy cleaning; large drainage design to reduce clogging Installation and maintenance tips Ensure the pipe depth at the installation point is within 50–75mm for correct sealing. Periodically remove the cover to clear collected hair and debris to maintain drainage performance. Check that the spring valve moves after installation to ensure reliable odor and backflow protection.