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Aquarium Check Valve
Aeration » Airline Fittings & Valves »
This high-quality, duckbill check valve will prevent back siphoning through tubing when power is off. It’s the perfect choice for aquarium systems or anywhere that 5/32″ or 3/16″ I.D. tubing is used. Resistance at .07 cfm is only 3″ H2O. Sold each.
