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20pcs Aquarium Air Pump Check Valves Air Line Valve Aquarium Air Pumps One Way Non-Return Check Valve for Fish Tank

KWD 4
All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
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Special Features

  • Product material: plastic material, not easy to age.
  • Package includes: 20 air pump check valves.
  • Product features: durable, long-term use will not produce noise.
  • Product design: The valve is detachable, can be unscrewed to open the valve, easy cleaning and repair.
  • Product use: check valve can be used for ordinary aquarium air pump, to prevent aquarium water siphon resistant in the event of power failure, protect air pump, suitable for most fish tanks.

Description

Product Name: 4mm porous black and white plastic air pump check valve
Product color: black and white
Product size: The diameter of the air hole is 4 mm/0.16 inches, and the total length is approximately 4.5 cm/1.7 inches

Product Features:
1. It can prevent water backflow from damaging the air pump.
2. Each air outlet needs to be connected, and the double-head air pump needs 2 check valves.
Note: The above dimensions are manual measurement with slight deviation, please refer to the actual product received.

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