Cheap, but (hopefully) functional

Cheap, but (hopefully) functional

10x check one way valve for aquarium air pump (Misc.)
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Customer Review

Cheapest valve from the range. As the product name was the rest of the information: "10x check one way valve for aquarium air pump".

I have tested a piece - because it worked. I hope the other work under real conditions. Had never a problem with water return, hope it stays that way and I do not have to rely on the valves.

ps: have looked also valves to the more than 10-times the price that look exactly. - I have noticed no difference. So assume that it will work in an emergency.

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