Description:_x000D_ Our bubble tube is made of high-quality plastic and silicone material, very safe and durable. Its air bubbles is uniform and the dissolved oxygen in water is increased, and it's suitable for using in both fresh water and seawater. It is very easy to install in your fish tank, and also easy to disassemble for easily cleaning. The bubble tubes could be extended to meet the length of you fish tank, practical to use. Strong sucker also can tightly fixed the tube, the tube won't float on the water. Such a great bubble tube, worth buying for your fish tank!_x000D_ _x000D_ Features:_x000D_ _x000D_ The tube body is made of high-quality plastic material, air inlet is made of silicone material, non-toxic, environmental-friendly, safe and durable to use. _x000D_ Very easy to install in your fish tank, and the air inlet head could be disassembled for easily cleaning, keeping air intake freely. _x000D_ 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. _x000D_ With super strong sucker, it could tightly fix the bubble tube on the wall of fish tank, the bubble tube won't float on the water, practical and durable. _x000D_ The air bubbles is uniform and the dissolved oxygen in water is increased, and it is suitable for using in both fresh water and seawater. _x000D_ _x000D_ Specifications:_x000D_ Condition: 100% Brand New_x000D_ Type: Fish Tank Air Pump Accessory _x000D_ Material: Plastic + Silicone_x000D_ Color: Shown as picture_x000D_ _x000D_ Length: Approx. (Optional) _x000D_ 1# 19.5cm / 7inch, _x000D_ _x000D_ 2# 24cm / 10inch, _x000D_ _x000D_ 3# 39cm / 15inch, _x000D_ _x000D_ 4# 47cm / 18inch, _x000D_ _x000D_ 5# 58cm / 23inch, _x000D_ _x000D_ 6# 71cm / 28inch. _x000D_ Weight: Approx. 22g-40g_x000D_ _x000D_ Package Included:_x000D_ 1 x Air Stone 1The tube body is made of high-quality plastic material, air inlet is made of silicone material, non-toxic, environmental-friendly, safe and durable to use 2Very easy to install in your fish tank, and the air inlet head could be disassembled for easily cleaning, keeping air intake freely 3The 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 4With super strong sucker, it could tightly fix the bubble tube on the wall of fish tank, the bubble tube won't float on the water, practical and durable 5The air bubbles is uniform and the dissolved oxygen in water is increased, and it is suitable for using in both fresh water and seawater