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Product name： ISTA Spring Stop check valve #I-577
Description
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Stainless spring design assures reliable prevention of backflow and siphoning.
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Check valve has minimal impact on air pump and CO2 injection applications.
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Elegant in shape. Easy to disassemble for cleaning.
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Air tube fastening node assures no bursting of air tube.
For 4/6mm tube (Does not contain)
