2in1 Bubble Counter & Check Valve
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CHARACTERISTICS：

  • With 2 in 1 functions as CO2 bubble counter and check valve.
  • CO2 pipe fasten screw nut provided to prevent bursting out of the CO2 pipe
  • Spring type check valve provides best function in stopping back flow.
  • Acrylic material provides clear and easy bubble reading.   Acid and breakage endured.
  • Easy assembling and disassembling for cleaning and water filling up.

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