Zerone Air Stone Bubble, Fish Tank Aquarium Air Bubble Wall Air Stone Tube Spray Aeration Tube for Fish Tank(18")

【STRONG SUCTION CUP】With strong suction cup, it could firmly fix the bubble tube on the wall of fish tank, the bubble tube won't float on the water, practical and durable. 【EASY TO INSTALL】Easy to install and the air inlet head could be disassembled for easily cleaning, keeping air intake freely. 【EASILY CONNECTED】The bubble tubes could be extended, double tubes could be easily connected by the plastic connector, so you could connect them into a suitable length to meet the length of your fish tank. 【APPLICATION】The air bubbles is uniform and the dissolved oxygen in water is increased, suitable for using in both fresh water and seawater. 【MATERIAL】Made of high-quality material, non-toxic, safe, durable and also environmental friendly.