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Save an extra 20% off your entire order with coupon code: May20
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**May not be combined with any other offer.
Code expires 5/23/13
The Fusion Check Valve is a duck bill styled valve that helps prevent backflow. This accessory is a useful tool when running Anchor Bubblers, ActivAir Ornaments, Anchorstone Sand Airstones, and Aircore Sand Airstones to prevent water from back flowing into the Fusion Air Pump.