Description: Brand new and high quality Great CO2 check valve for aquarium and fish tank. Elegant in shape, easy to disassemble for cleaning. With stainless steel springs, the Anti-backflow effect is good. Low resistance design, suitable for air pump and CO2 injection applications. Air tube fastening node prevents bursting. Material: Plastic, Length: Approx. 5cm/1.97inch, Width: Approx. 2cm/0.79inch Package Includes: 1pcs CO2 Check Valve. Note: The size of the actual item you received could be slightly different from the size above. Due to the light and screen setting difference, the item's color may be slightly different from the pictures
