External Aquarium CO2 Diffuser Efficient Safe Outer Carbon Dioxide Atomizer for Home Fish

EFFICIENT DESIGN: Provides a stable and supply of CO2, improving the CO2 content of the water to the desired and promoting the growth of water plants. SAFE AND : The outer CO2 diffuser ensures an even and stable supply of CO2, which will not harm fish and guard the aquarium ecosystem. EASY TO INSTALL: External aquarium CO2 atomizer is easy to operate, easy to install and adjust, suitable for various 12mm fish sizes, user friendly . Item Type: External Aquarium CO2 Diffuser Material: Plastic Diameter of Connecting Pipe: Outer Diameter: Approx. 16mm Celsius 0.63in, Inner Diameter: Approx. 12mm Celsius 0.47in