SR Aquaristik In-line Check Valve for CO2

  • Made from quality stainless steel
  • Can withstand extremely high pressure
  • Provides extra protection against back-siphoning

The SR Aquaristik In-Line Check Valve is ideal for use with CO2 systems or air pumps, to prevent back-siphoning of aquarium water into the pump or regulator. Fits standard 4/6 mm airline or CO2-resistant tubing.