5x Aquarium Check Valves Non-Return Air Line Tubing

5x Aquarium Check Valves Non-Return Air Line Tubing Description: 5 Total Pieces. Comes in black as shown. Non-Return check valves prevent water from backing up into your air pump from power outages or air pump failure. Long lasting and durable. Fits standard aquarium air line tubing. View our above picture for easy assemble. LIGHTNING FAST SHIPPING See our awesome Feedback Check out our other great aquarium supply sales gong on here at Ebay, Including complete large small and large tank set up kits.

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