Aqua One Check Valve 2 Pack

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A check valve (or non-return valve) should be used whenever an air pump is positioned beside or below a nutrient tank. It will prevent nutrient flowing back into the air pump when it is turned off.

  • Allows air to travel in one direction only
  • Stops water coming back down the air tube
Check Valve (P2) - Benchmark Bioponics / Benchmark Horticultural PTY LTD