- External design, save space and keep the tank neat.
- Equipped with ceramic tube to ensure best diffusing effect.
- With patented impeller design, CO2 can stay longer in the tank and increase diffusion rate.
- With transparent chamber, visible to check water flow and speed of CO2 diffusion thorugh internal impeller.
- Assembling design for cleaning and replacing ceramic easily.
- Suitable with external filter and canister filter.