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Amazon.com : Fluval C4 Power Filter, Fish Tank Filter for Aquariums up to 70 Gal. : Aquarium Filters : Pet Supplies
![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. 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.](https://www.filialaquatics.com/admin/public/insert_image/20230807133731_c2.jpg)
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.
Fluval - Fluval C Series clip-on / hang-on-back filters feature a versatile 5 stage cleaning system! - Sections 1-2 are dedicated to mechanical filtration - Zone 3 is reserved for the chemical
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