Features: 1.PROFESSIONAL MANUFACTURE: This aquarium U tube is designed for fish tank, and prevent CO2 or oxygen tube from pressing and cause stuffiness. 2.PREMIUM MATERIAL: The aquarium U tube is made of 304 stainless steel in accordance with international standards, it is drop and rust resistant for long lasting durability. 3.EASY TO FIX: No need to worry about poorly fixed pipes when changing water in and out of the tank. 4.UNIQUE DESIGN: Due to the large water flow in the 3/8 in and 1/2 in bends, the interface has a special tooth design for a more secure clamping of the hose. 5.CONVENIENT TO HANG: The fish tank U shape pipe has a unique U shape design that allows the hose to be hung on the wall of the tank at will, making water changes a breeze. Specification: Item Type: Aquarium U Shape Tube Material: Stainless Steel Use: Fish Tank Water Inlet and Outlet U Tube, Co2 Bend PackageList: 1 xAquariumU Shape Tube Note Please allow for a 0?0.2cm/0?0.08in error in manual measurement. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.