AquaClear 20 Power Filter, Fish Tank Filter for 5- to 20-Gallon Aquariums

The Fluval AC20 Power Filter delivers powerful, reliable filtration for aquariums between 5 and 20 gallons. Designed with a robust 3-stage filtration system, it effectively removes debris, odors, discoloration, and harmful toxins through mechanical, chemical, and biological processes. This ensures a consistently clean and stable aquatic environment for your fish. Each unit includes high-quality media—Fluval Foam, Activated Carbon, BioMax, and Cycle Guard—all working together to maximize beneficial bacteria growth and long-term water clarity. Offering up to seven times more filtration volume than comparable filters, the AC20 sets a new standard for efficiency and performance. The filter’s whisper-quiet, energy-efficient pump keeps operating costs low while delivering dependable flow. Installation is quick and maintenance is simple, making the Fluval AC20 an ideal choice for aquarists seeking high-performance filtration in a compact, easy-to-use design. (Packaging may vary.)

• Aquarium filtration system that offers superior contact time with filter media and energy efficient pump lowers operating costs
• Quick and easy installation; we recommend that you clean aquarium filter every 2 weeks for maximum operation and efficiency
• Provides optimal mechanical; chemical; and biological filtration
• Comes equipped with AquaClear Foam; Activated Carbon Filter and BioMax and Cycle Guard for superior water quality
• Filtration volume is up to 7 times larger than comparable fish tank filters