Automatic Drainage: Opens and closes automatically for efficient water flow. Prevents odors, leaks, and insects for a hygienic environment. Easy Installation: Simple to install, insert, and use in toilets, bathrooms, kitchens, and floors. Hassle-free setup for immediate functionality. All-Copper Construction: Durable and reliable material ensures long-lasting performance. Resistant to corrosion and wear for extended use. Versatile Application: Suitable for various pipes and spaces due to its wide compatibility. Ideal for residential and commercial settings. Innovative Design: Utilizes a smart working principle that opens with water weight and seals tightly when not in use. Ensures proper drainage and prevents blockages effectively. Item Name: Floor Drain Core Material: All Copper Features: Automatic Drainage, Easy Installation, Versatile Application Size Details: L: 4.5cm/1.77", W: 4.2cm/1.65", H: 3.2cm/1.26" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Floor Drain Core