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Your cart is empty.Airstone foot valve is a critical component to install on our diffuser airstones, especially if you live in a climate where the temperatures fall below freezing. This backflow valve prevents water from backing up the airline. Made in U.S.A.
David Lamphear
Reviewed in the United States on May 28, 2020
Does what it as it should
House
Reviewed in the United States on October 6, 2020
Little to much Rural king has the same one for $23.00
D.b.thompson
Reviewed in the United States on October 28, 2020
it lets water back into line if there isn't constant air. purchased an inline check valve with a light spring in it and haven't had any problems. it cost less than 1/4 of what the foot valve cost.
JEFF ALBERT
Reviewed in the United States on October 13, 2017
good quality
steve "O"
Reviewed in the United States on January 11, 2017
Works fine.
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