Description: 100% Brand New, High Quality. Easy for you to clean and repair. Made of stainless steel can be used for a long time. One way check valve suitable for CO2 supplying system in fish tank, aquarium and others. It can prevent the aquarium water flowing back,burn the air pump to avoid danger. Specification: Material:Stainless Steel Color:As the picture show Size(LxD): Approx.4x0.8 cm / 1.6x0.3 inch Package Includes: 1 Piece Stainless Steel Check Valve Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item. The project is only used for carbon dioxide steel pressure vessels and cannot be used in DIY and oxygen air pumps.Because stress is not enough
