10 Best Aquarium Filters

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the Marineland Penguin Power Filter is the one of the Best Aquarium Filter on the market.

# Image Name Brand Price
1 Marineland Penguin Power Filter Marineland Penguin Power Filter, 50 to 70-Gallon, 350 GPH
(Editor’s Choice)
MarineLand $$$$$ Check price
2 AquaClear 20 Power Filter AquaClear 20 Power Filter - 110 V, UL Listed (Includes AquaClear 20 Carbon, AquaClear 20 Foam & AquaClear 20 BioMax) Aqua Clear $$$$$ Check price
3 Cascade CCF3UL Canister Filter Cascade CCF3UL Canister Filter, 100 Gallon, 265gph Penn Plax $$$$$ Check price
4 Whisper In-Tank Filter 40i with BioScrubber for 20 Whisper In-Tank Filter 40i with BioScrubber for 20 - 40 gallon aquariums (25818)
(Best value for the money)
Tetra $$$$$ Check price
5 Aqueon QuietFlow Filter Cartridge Aqueon QuietFlow Filter Cartridge, Large, 12-Pack Aqueon $$$$$ Check price
6 Tetra Whisper Power Filter for Aquariums Tetra Whisper Power Filter for Aquariums, 3 Filters in 1 Tetra $$$$$ Check price
7 Penn Plax Cascade Hang-on Aquarium Filter With Quad Filtration System Penn Plax Cascade Hang-on Aquarium Filter With Quad Filtration System Cleans Up To 50 Gallon Tank Penn Plax $$$$$ Check price
8 Tetra Whisper EX Silent Multi-Stage Power Filter for Aquariums Tetra Whisper EX Silent Multi-Stage Power Filter for Aquariums Tetra $$$$$ Check price
9 Marineland Rite-Size Cartridge C Marineland Rite-Size Cartridge C, 6-Pack MarineLand $$$$$ Check price
10 Marineland Emperor 400 Pro Series Bio-wheel Power Filter Marineland Emperor 400 Pro Series Bio-wheel Power Filter - Up to 80 gallon, Rite Size "E" MarineLand $$$$$ Check price

Marineland Penguin Power Filter – Best Overall Aquarium Filter

Marineland Penguin Power Filter
  • Certified flow rate of 350GPH, perfect for all aquariums up to 70-gallon, uses two Rite-Size C filter cartridges
  • Delivers easy, three stage mechanical, chemical, and biological aquarium filtration
  • Convenient Penguin Rite Size Cartridges come ready to use with each filter
  • Please refer the Product Manual, Set up Manual and the Instructional Video before use

AquaClear 20 Power Filter

AquaClear 20 Power Filter
  • Refiltration system that offers superior contact time with filter media and energy efficient pump lowers operating costs
  • Quick and easy installation
  • Filtration volume is up to 7 times larger than comparable filters
  • Comes equipped with AquaClear Foam, Activated Carbon and BioMax and Cycle Guard for continuous biological filtration and superior water quality
  • 2 year warranty; Ideal for aquariums up to 20 gallons

Cascade CCF3UL Canister Filter

Cascade CCF3UL Canister Filter
  • Quick easy push button self-primer
  • Independent 360 degree rotating valve caps
  • Sturdy tip-proof base
  • Flow rate cut-off valves adjust water flow

Whisper In-Tank Filter 40i with BioScrubber for 20 – Best Budget Aquarium Filter

Whisper In-Tank Filter 40i with BioScrubber for 20
  • Designed for use in aquariums up to 40-Gallons
  • Uses large Bio-Bag filter cartridges
  • Install with a hanger and suction cup or two suction cups depending on desired placement
  • Remove bottom to access impeller for proper cleaning
  • For aquariums and terrariums

Aqueon QuietFlow Filter Cartridge

Aqueon QuietFlow Filter Cartridge
  • Fits Aqueon QuietFlow Filter: LED PRO Size 20 & up and E Internal 40 gallon
  • Ready-to-use cartridge contains high quality activated carbon that keeps water clean, rinse before replacing
  • Installs in seconds: align cartridge bottom key slot for an accurate fit inside the Filter
  • For optimal performance, change approximately every 4 to 6 weeks
  • Do not clean Bioholster when replacing the cartridge as it contains beneficial biological bacteria

Tetra Whisper Power Filter for Aquariums

Tetra Whisper Power Filter for Aquariums
  • Designed for Use in Smaller Aquariums Up to 60-Gallon, Uses Large Whisper Bio-Bag Cartridges
  • Uses Large Whisper Bio-Bag Cartridges
  • Three filters in one for cleaner water and healthier fish
  • Please refer the Troubleshooting steps below

Penn Plax Cascade Hang-on Aquarium Filter With Quad Filtration System

Penn Plax Cascade Hang-on Aquarium Filter With Quad Filtration System
  • Hang on aquarium filter quietly delivers 200 gallons per hour of crystal clear water for your fresh or marine aquariums from 35 to 55 gallons in size.
  • Revolutionary Bio-Falls Quad-Filtration system provides efficient filtration with anaerobic bacteria for additional ammonia and nitrite removal providing maximum oxygenation.
  • Activated carbon cartridge removes harmful chemicals, toxins, odors, discoloration, and other contaminants for your aquarium.
  • Internal sponge optimizes colonization of beneficial anaerobic bacteria and polyfiber floss cartridge traps floating particulate matter.
  • Adjustable flow knob allows you to reduce filtration during feeding times or as needed. Aquarium filter is recommended for both freshwater and saltwater applications.

Tetra Whisper EX Silent Multi-Stage Power Filter for Aquariums

Tetra Whisper EX Silent Multi-Stage Power Filter for Aquariums
  • Every feature of the Whisper EX has been designed with simplicity and convenience in mind. This is truly the intuitive filtration system.
  • Simple Set Up - Ready to go right out of the box. No priming required.
  • Scientifically Engineered Water Flow -- Continuous flushing action prevents debris buildup.
  • Outflow maximizes water agitation and oxygenation. Whisper EX Filtration Systems use Tetra EX Carbon Filters.

Marineland Rite-Size Cartridge C

Marineland Rite-Size Cartridge C
  • Rite-Size C filter cartridge
  • Meets the highest standards of water purification and operational ease
  • Each cartridge is pre-assembled
  • A perfect fit for every filter.

Marineland Emperor 400 Pro Series Bio-wheel Power Filter

Marineland Emperor 400 Pro Series Bio-wheel Power Filter
  • WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration
  • MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment.
  • POWERFUL: Certified flow rate of 400 GPH in aquariums up to 80 gallons.
  • MARINELAND FILTRATION PRODUCTS: Count on Marineland brand for the most reliable, technically advanced aquariums and accessories on the market.
  • REPLACEMENT CARTRIDGES: Use with two Marineland Rite-Size E Filter Cartridges (purple label).

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