3 functions in one unit: CO2 bubble counter, check valve and diffuser. Produces bubbles as small as a mist of CO2, generating maximum possible diffusion on CO2 in the aquarium. Undisputable quality and reliability. ...
3 SIZES: Sml,Med and Lrg
3 functions in one unit: CO2 bubble counter, check valve and diffuser. Produces bubbles as small as a mist of CO2, generating maximum possible diffusion on CO2 in the aquarium. Undisputable quality and reliability. ...
3 SIZES: Sml,Med and Lrg