5/10pcs Non-Return One Way Check Valve Aquarium Fish Tank Air Pump Airline Valve

Description

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5/10pcs Non-Return One Way Check Valve Aquarium Fish Tank Air Pump Airline Valve
5/10 Pcs Non-Return Plastic Aquarium Air Pump Check Valves
Description:
Specially designed Non-Return Valves will protect you air pump by preventing aquarium water from back siphoning during a power outage.
They are made of plastic material for long time use.
Place these Air Pump Check Valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line.
Fits standard air line tubing aquarium and CO2 tubing with inner diameter about 4 mm
Package:
5/10pcs Check Valves
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