Customer Reviews

Based on 13 reviews
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J
J.B.
Must have

Good quality and preforms great

D
D.
A MUST HAVE!

These should be put on every air line you have in every aquarium. I find these to be of better quality than others I've tried.

T
T.
Check valve

Not much you can say about a check valve. Shipping prompt, well packed. The valve has been in use since it arrived, and appears to be functioning as it should.

C
C.H.
thank you

Work great thanks

A
A.
Glad I ordered a check valve with my sponge filter

If you're new to sponge filters like me, check valves are a must-have! They prevent the water from siphoning out of the tank and back to the air pump if the power shuts off. I had to check a few YouTube videos, but if the red part of the valve looks like a top hat, then the brim/bottom of the top hat should be facing/closer to the air pump and the top of the hat should be facing/closer to the sponge filter. The product itself looks to be of good quality and pretty robust. Definitely worth the add-on.