This aquarium drainage connector is an essential accessory for maintaining a clean and healthy tank. The round hole design ensures efficient water flow, while the flat head provides a secure and leakproof fit. Ideal for seafood tanks, it helps in preventing water stagnation and promotes a healthy habitat for your aquatic pets. Easy to install, it integrates seamlessly with your existing setup. Features -Color:Assorted Color -Material:PVC -Size:7.00X6.97X6.97cm/2.75X2.74X2.74in -Recommended opening diameter: 51-53 mm. -Recommended fish tank thickness: within 26 mm. -Hose connector part inner diameter: 50 mm. -Effortless setup: the fish tank round hole drain connector is designed for easy and quick installation, making it highly convenient -Sturdy construction: built from excellent materials, this drain connector is Long-lasting and resistant to damage -All-purpose design: suitable for fish tanks, seafood pools, and other similar settings, ensuring effective water drainage and cleanliness -Leak-resistant: the tight-fitting design of the connector prevents leaks, ensuring efficient drainage -Adaptable: this product is versatile and can meet a variety of needs for different water tanks and aquariums Package list: 3 x drain joints