Dennerle CO2 Topper

For aquaria of up to 120 litres

• efficient (...)

For aquaria of up to 250 litres

• efficient and compact
• with built-in bubble counter (...)

Compact CO2 diffusors offering the ultimate in efficiency.

• designed especially for larger aquaria and aquaria with a high CO2 requirement
• with waste gas vent
• powered by motor filter or separate motor-driven pump (...)