FZONE Aquarium CO2 Regulator AC Solenoid Mini Dual Gauge Display with Bubble Counter and Check Valve for US Standard CGA320 CO2 Cylinder

Key features

• DUAL GAUGES! Dual gauges allows for a more precise reading of inner tank pressure and working output pressure.
• UPDATED SPLIT-TYPE DC SOLENOID! Newest 12V DC split-type solenoid instead 110V AC models, more safe and stable. NEVER noise, automatic turn on/off CO2 with timer.
• HIGH PRECISION STRUCTURE! Fine tuning valve with knurling to precisely control the CO2 output. Made of hard aluminum alloy allow continuous usage without worrying about rust
• BUBBLE COUNTER AND TOOLS INCLUDED! Bubble counter with check valve and tools are included to make the process hassle free.
• ATTENTION! Suitable for standard North American fittings, CGA 320.