Ista 3 in 1 CO2 Diffuser

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.

• 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.