Fluval C4 Power Filter

Fluval C-Series is the world’s first and only 5-Stage clip-on power filter that offers two mechanical phases, a chemical phase and a two biological phases for amazing water clarity. 
Designed for aquariums between 40 and 70 gallons.
Two Mechanical stages trap large and fine debris – foams easily slide out for quick cleaning
Chemical stage with activated carbon effectively removes toxins.
Biological stage features Bio-Screen pad – blocks debris and provides massive surface area for beneficial bacteria growth.
Biological Trickle Chamber – super charged for fast and efficient nitrification when loaded with Fluval C-Nodes
Patented refiltration control system permits slower water output to protect delicate fish/plants and increase contact time with media
Independent filtration stage management – changes can be made at different times while maintaining continuous biological activity
Cleaning indicator notifies user when polyfoam needs rinsing
Made in Italy
For use in freshwater and saltwater aquariums