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1. Can prevent the aquarium from causing water backflow due to the reduction of CO2 pressure. 2. Maintain the function and service life of the CO2 cylinder, suitable for CO2 supply systems for fish tanks, water tanks, etc. 3. Easy to install, no additional tools are needed, and it can be connected to the desired location in a few seconds. 4. One-way professional check valve, small and compact, about 4 cm/1.6 inches long, durable. 5. The check valve can ensure that water and air circulations are consistent and go in the right direction.

Item Type: Aquarium CO2 Check Valve
Material: Stainless Steel
Color: As the picture shown
Weight: Approx. 13.0g/0.5oz

1 x Aquarium CO2 Check Valve

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