．Super diffuse efficiency to get the best dissolved effect.
．With the function of CO2 bubble counter.
．With the function of double check valve.
．Designed for screw lock, don't worry the tube loose off and caused damage.
．Adopt the ceramic disc of high pressure ( approx. 2-2.5kg / cm² ), we suggest to match up 3kg / cm² of the use-pressure of regulators.
．Install super diffuser on the bottom of the aquarium, to get the best
CO2 dissolved effect.