MostAqua Dual Stage Co2 Regulator for Aquarium, Pro-Master Series, Co2 System Kit for Aquarium Plants, Integrated Bubble Counter and Adjustable Output Pressure

Pro-Master Series Aquarium Dual Stage CO2 Regulator is the 2rd Generation of our professional dual-stage regulator. 2 Years Manufacturer Warranty The Dual-stage design minimizes the increase in output pressure as pressure drops in Co2 cylinder and prevents end-tank-dump so as to keep aquarium safe and Co2 levels constant. The extendible manifold block allows you to run multiple diffusers with only one CO2 regulator. The pressure can be adjusted on each manifold separately allowing to run different CO2 levels in different tanks individually. High precision needle valve with an integrated bubble counter allowing to adjust the pressure accurately. Adjustable working pressure up to 5 bar. 12V DC Integrated Solenoid Valve, Stainless Steel Dual gauge pressure indicators (tank volume and flow pressure / working pressure), North America CGA320 standard thread.