Atyhao Aquarium Co2 Regulator, Single Gauge Fish Tank CO2 Pressure Gauge Adjustable Pressure Aquatic Plant CO2 System(w21.8)

• Design Feature---The large display allows for easy reading of your settings to ensure that they are always where you want them to be.
• Protect Plant Growth---Always inject the right amount at the right time to keep your plants growing the right way. Perfect CO2 aquarium regulator to create the best growing conditions for your aquarium plants.
• Internal Precision Check Valve---This Bubble Counter comes with a built-in check valve and attaches to the regulator for an easy set-up. Easy to install and use, a good choice to make your fish tank different.
• High Quality---The precision construction of this regulator will ensure that you can always fine tune the amount of CO2.
• After Sales Service---100% satisfaction guarantee. If for any reason you're not 100% satisfied, please let us know and our customer service team will do our best to help you.

Specification: 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