Marina Check Valve

List Price: $4.39 Our Price: $3.49 Our Price: $3.49 You Save: $0.90 (21%)
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  • Protects air pump from aquarium water backflow
  • Fits all standard aquarium air hose
  • Recommended whenever using an aquarium air pump

The Marina Check Valve prevents water from siphoning out of the aquarium through the air hose and into the air pump in the event of a power failure or when removing filters and other air-driven accessories from the aquarium.