1.Extend the bubble tube: the bubble tube for the fish tank can be extended, the two tubes can be easily connected by the plastic connector, so you can connect them in a suitable length so that you can match to the length of your aquarium. 2. Increase Oxygen: The aquarium air stone is able to release smaller bubbles for the purpose of increasing the dissolving rate of oxygen in the water. All of these will create wonderful effects and the bubbles make your aquarium more attractive and help create an amazing underwater world. 3. High Quality: The aquarium air tube is made by the high quality plastic material, the air inlet is made by the silicone which is both eco-friendly and durable. 4. Strong Suction Cup: The fish tank bubble tube is equipped with super strong suction cup, which is both lightweight and durable, it could firmly fix the bubble tube on the fish tank wall. 5. Easy to install: This product is easy to install, and the air inlet head can be disassembled so that you can clean it and let the air flow in and out freely. You just need to use a pin or a needle to pierce small holes before using it.