Product name：Shell CO2 Regulator + Bubble Counter x 1
~~~~~WORKING PRESSURE ADJUSTABLE~~~~~
The Bubble Counter (include CHECK VALVE) + Free 10 ft CO2 Proof Tubing
fits Australian, Asian, European standard type co2 cylinder.
or, "no pin" US co2 cylinder.
we have a transform connector for this item transform for US standard type and USA CGA refillable co2 cylinder **without "pin"**
For common CO2 tank 21-22mm diamer & dispoable cartidge 15mm diamer
While using Solenoid Regulator, please slowly turn on CO2 tank to prevent to trigger the flame-proof switch inside Solenoid Regular.
(Triggering the flame-proof switch will cause Solenoid Regular shut down; then the Solenoid Regular need to be replaced)