ISTA Stainless Steel Metal Check Valve One Way Aquarium Fish Tank CO2
The Ista stainless steel check valves prevent the backflow of water to CO2 equipment.
These check valves are durable and last longer than traditional plastic check valves. They will accept a standard airline connection (4mm internal / 6mm external diameter).
Please note that these check valves are designed for high-pressure such as CO2 systems and may not be suitable for standard air pumps.
Ista specialises in planted aquarium equipment and supplies, so you can be sure that these check valves are one of the most advanced on the market and made to the highest possible quality.
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