Prevents back siphoning of water through tubing when the power is off, which could damage your air pump or form a puddle that could shock you when electricity returns to your system.
Air Check Valve
Use for: Aquarium, Fish Tank
Color: Transparent
Material: Plastic
Hole Outer Diameter: 4mm
Air Inlet/Outlet Tube Calibre: 4mm
Lot 1013,Jalan Kampung Manggis,
14100 Simpang Ampat,
Penang. Malaysia
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