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Review on Enhance Aquarium Air Flow with Pawfly 10 PCS 🐠 Clear Plastic One Way Non-Return Check Valve for Fish Tank by Paul Stevens

Revainrating 4 out of 5

they are back pressure capable

good value for money. I have an optional tail light guard for my multiple tanks and it's always there when I need it. I often change air pumps. A few of them have water in them and I can't dry them so they're disposable. As an environmentalist, I hate to throw plastic away. It would be better if they were reusable. Since I move the pumps a lot, I have a few that I can't store because of the water in them. I tried blowing out the air with a pump, it didn't help.

Pros
  • Protect your air pump by preventing aquarium water from flowing back in the event of a power failure.
Cons
  • old