Fluval Power Filter Maintains Clean Water for Aquariums | 5-Stage Filtration System

Upgrade your aquarium with the Fluval C-Series Power Filters (C2, C3, C4) — premium hang-on-back filters designed for superior performance in both freshwater and saltwater tanks. Each model features a powerful 5-stage filtration system that combines mechanical, chemical, and biological filtration to ensure crystal-clear, healthy water for your fish.

• Efficient 5-Stage Filtration: Captures debris, removes toxins, and supports beneficial bacteria.
• Quiet & Reliable Operation: Designed for minimal noise and long-term performance.
• Easy Maintenance: Modular design makes filter media replacement fast and simple.
• Adjustable Flow & Re-Filtration: Customizable for planted tanks or delicate fish species.

C2 

• Flow Rate: Up to 119 GPH (450 L/h)
• Recommended Tank Size: Up to 30 gallons (113 liters)
• Ideal For: 10–30 gallon tanks
• Filtration Stages: Mechanical, chemical, and biological

C3

• Flow Rate: Up to 153 GPH (580 L/h)
• Recommended Tank Size: 20–50 gallons (75–190 liters)
• Ideal For: 30–50 gallon tanks
• Filtration Stages: 2 mechanical, 1 chemical, 2 biological

C4

• Flow Rate: 264 GPH (1000 L/h)
• Recommended Tank Size: 40–70 gallons (150–265 liters)
• Ideal For: 50–70 gallon tanks
• Filtration Stages:
  • 2 mechanical (foam & polyester)
  • 1 chemical (activated carbon)
  • 2 biological (Bio-Screen & C-Nodes)

Whether you’re starting a new tank or upgrading your current setup, the Fluval C-Series delivers high-performance aquarium filtration with user-friendly features. Hang it on the back of your tank, insert the filter media, and plug it in—no complicated setup required.