ISTA Mini CO2 Flow Regulator

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Item is easy to install. The hose mechanism is quite simple (similar to canister filters).2 in 1 functions: CO2 bubble counter and check valve.CO2 pipe fasten screw node provided t o 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. Show more