Aquarium CO2 Regulator Dual Fish Tank Pressure Gauge Adjustable Aquatic Plant System with Bubble Counter and Check Valve(W21.8)

【Ultra Precision】Always inject the right amount at the right time to keep your plants growing the right way. This CO2 aquarium regulator can assist your aquatic plants in their growth cycle.Package list:1 * CO2 aquarium regulator 【High Quality】Our co2 regulator aquarium is made of quality Stainless steel + Aluminum alloy material and has a longer life than aluminum CO2 aquarium regulator. 【Precise Construction】The precise construction of this regulator will ensure that you can always fine tune the amount of CO2. Adjust it as necessary, to create the best growing conditions for your aquarium plants. 【2 Big Dual Display】With 2 big dual display allows for easy reading of your settings, high pressure gauge shows the pressure of cylinder,and check the volume of remaining CO2. Low pressure gauge shows the output pressure. 【Create the Best Growing Conditions】Perfect CO2 aquarium regulator ensure that you can always fine tune the amount of CO2, adjust it as necessary, to create the best growing conditions for your aquarium plants.Size: 12.5*12*7.5cm / 4.9*4.7*2.9 inch(Approx.