Flat Bottom CO2 Diffusers

Flat-Bottom Glass CO2 Diffuser - Small for Aquariums up to 80L

Flat-Bottom Glass CO2 Diffuser - Medium for Aquariums up to 150L

Flat-Bottom Glass CO2 Diffuser - Large for Aquariums up to 250L

Flat-Bottom Glass CO2 Diffuser - Extra Large for Aquariums up to 500L