Features
Package Included : 6 Pcs Non-Return Check Valves and 6 Pcs Aquarium Air Control Valve.
【Non-Return Check Valves】Small and compact, which protect you air pump by preventing aquarium water from back siphoning during a power outage.
Made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage
【Air Control Valve】Simple design for easy use. The Aquaculture Air Valve can be connected to aquarium tubing.
Thread Diameter : 0.35"; Total Size:1.4" x 0.96" x 0.35"(L*W*T)
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