CO2 Regulator Aquarium Big Single Gauge Display gray (w21.8)

Features: This CO2 aquarium regulator can assist your aquatic plants in their growth cycle. Always inject the right amount at the right time to keep your plants growing the right way. The large display allows for easy reading of your settings to ensure that they are always where you want them to be. The precision construction of this regulator will ensure that you can always fine tune the amount of CO2. Perfect CO2 aquarium regulator to create the best growing conditions for your aquarium plants. Package list: Material: Aluminum alloy Color: Silver Suitable interface: w21.8, g5/8(Optional) Size: 6*7cm / 2.4*2.8 inch(Approx.) Package list: 1 x CO2 aquarium regulator. Note: Adjustable fine-tuning valve to control the size of the a