Compare Fluval Filters

GET the most popular Fluval Filters for Your aquarium now. Use our FREE comparison tool below to SAVE. The models listed below are great for all aquariums.

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In some cases, they are also available in smaller and larger capacities.

Fluval Filter – Comparison Chart

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Prices accurate as of:

Best Value Pick: Fluval C Series

Fluval C4 Power Filter
  • Power filter featuring 5 stages of filtration for aquariums between 40 to 70 gallons
  • Filters 264 gallons per hour
  • Equipped with cleaning indicator for when the polyfoam needs to be rinsed
  • Clip on filter; Quick and easy maintenance
  • Helps provide a stress-free environment; Works to maintain refreshing crisp water

Prices/Images/Reviews pulled from the Amazon Product Advertising API on:

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the respective Amazon site that you are redirected to at the time of purchase will apply to the purchase of this product.

Best For Large Tanks: Fluval FX4

Fluval Canister Filter, FX4 Filter (250 Gal)
  • Multi-stage filter pumps out 700 US Gal (2650 L) of water per hour
  • Smart Pump advanced microchip technology continuously monitors and optimizes pump performance
  • Self-starting - just add water, plug in and Smart Pump will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiency
  • Easy water changes eliminate need to lift heavy buckets. Simply attach hosing to output and Smart Pump does the rest
  • Removable, stackable media baskets eliminate water bypass and hold a total of 1 US Gal (3.9 L) of media
  • Compact 41.9 cm (16.5 in) tall design - easily fits under most aquariums
  • All filter media included - mechanical, chemical and biological

Prices/Images/Reviews pulled from the Amazon Product Advertising API on:

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the respective Amazon site that you are redirected to at the time of purchase will apply to the purchase of this product.

Best For Small Tanks: Fluval Underwater Filter

Fluval U4 Underwater Filter
  • Filters debris and provides optimal biological filtration
  • Simple to install and maintain
  • Silent and efficient
  • Ideal supplemental or stand-alone filter, or for installations where external filtration is not possible
  • Comes with 3-way flow control with adjustable output, 2 foam pads, 2 poly/carbon cartridges and 90 grams BioMax; Ideal for 34-65 gallon environments

Prices/Images/Reviews pulled from the Amazon Product Advertising API on:

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the respective Amazon site that you are redirected to at the time of purchase will apply to the purchase of this product.