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4 mm airline non-return check valve.
25 in stock
This is just a best effort estimate!
4 mm airline non-return check valve. Prevents aquarium water from syphoning out in case of a power failure.
(verified owner) – May 21, 2019
(verified owner) – June 19, 2019
Slows down the flow from the air pump but its a must to keep the pump running smoothly
Alex Van As
(verified owner) – June 30, 2019
(verified owner) – July 23, 2019
(verified owner) – September 1, 2019
(verified owner) – October 13, 2019
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