Product name：ISTA 2 in 1 CO2 Bubble Counter + Check Valve #I-566
For 4/6mm tube (Does not contain)
● CO2 pipe fasten screw node provided to assure burst out of the CO2 pipe.
● Spring type check valve is the best in preventing back flow.
● Acrylic material provides clear and easy bubble reading. Acid and break resistant.
● Easy disassembling of the cap in filling up water.
How to use:
●Loose the cap ( upper part ) and fill the reservoir with clear water then fasten the cap firmly.
●Secure the CO2 pipe according to the inlet and outlet indication marks with the screw node.
●By changing the clip on the cap to select attaching of hanging or by suction cup.