Rhinox Plastic Check Valve – Aquarium CO2 Diffuser Regulator Air Pump Tubing


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Ensure that indicative end is furthest from the air pump outlet. Attach airline to both ends of check valve. If air does not flow when pump is turned on, ensure that check valve is properly inserted, reverse if necessary. # Fits standard 4mm air hose. Replace every 12 months Size (height x width) : 1″ x 0.5″ or 2.5 x 0.75 cm

  • You are winning 1 pcs of Check valve
  • Place in your airline tubing between your air pump and aquarium water to prevent water returning down the air line
  • Every air pump & Co2 solenoid should include with one of these for each outlet but most don’t come with them
  • An essential accessory for every air pump. Provides protection during a power or pump failure.
  • Installation: Simply cut airline at convenient location between air pump and first outlet.