CO2 Diffuser (3 in 1) Large size. These are the most practical diffusers available.
CO2 Diffuser - 3 in 1. Large size. These are the most practical diffusers available. Into a single piece you have a check valve a bubble counter and the diffuser. Also very important is that the ceramic plate can be replaced. Features: 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. Compact size. Easy to install.