CO2 Stainless Steel Check Valve

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  • Designed for Pressurized CO2 Systems
  • Prevents Water Siphoning Out of Aquarium
  • Durable Stainless Steel Construction
  • Essential for Power Outages

This check valve can only be used with a pressurized CO2 cylinder. The air from a regular air pump will not be able to pass through it.

A check valve is used within airline tubing to prevent water from siphoning out of an aquarium and into a CO2 regulator. Stainless steel check valves are durable and will hold up over time keeping your equipment safe from leaks. A stainless steel check valve is the best choice when using CO2 as it will hold up better than plastic over a long period of time.

The arrow on the check valve indicates the direction of airflow.

Customer Reviews

Based on 29 reviews
90%
(26)
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7%
(2)
3%
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P
Pleco P. (Johns Creek, GA, US)
Solid and trustworthy

Much better than the plastic ones for sure! Gives piece of mind you won’t drain the tank into the living room.

S
Sarah H. (Denver, CO, US)
never disappointed

exactly what I expected, thank you!

J
Joey W. (Los Angeles, CA, US)

CO2 Stainless Steel Check Valve

C
Charles M. (Birmingham, AL, US)
Check Valve

This works very well. I really like it.

F
Felix C. (Wichita, KS, US)
High Quality

Great quality, works like it's supposed to.