Description If you are looking for a professional and afable floor drain backflow preventer core, your search is over. This product meets your needs with reliable performance and durable construction. Made from premium material, it is practical and built for long-term use. Resistant to deformation, it provides lasting convenience. Features - Color: Dark Blue, White - Material: ABS - Size: 4.40 x 4.40 x 4.30 cm / 1.73 x 1.73 x 1.69 in - Pipe depth: >=60mm - Suitable floor drain diameter: 39–45mm - Constructed from high-quality ABS material for long-lasting durability - Enables 360-degree drainage; the cover opens during water flow - Automatically closes when not in use, preventing odors and insects from entering - Supports a water flow rate of up to 36 liters per minute, suitable for handling drainage from a 10kg washing machine - Designed to fit floor drains with diameters between 39mm and 45mm Package List 4 x Floor Drain Plugs