| Management number | 234600266 | Release Date | 2026/07/02 | List Price | $108.50 | Model Number | 234600266 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
| * | 700 gph large capacity canister filter for aquariums up to 250 gallons |
| * | Smart multistage filtration maintains superior aquarium water quality |
| * | Smart technology automates start up &;monitors pump performance |
Smart filtration that's not too big and not too small - just right for aquariums up to 250 gallons. Fluval FX4 High Performance Canister Filter hits the "goldilocks zone" of larger aquarium filtration by bridging the gap between the Fluval 406 Multi-Stage Canister Filter and the Fluval FX6 High Performance Canister Filter. Large capacity filter pairs quiet, energy-efficient operation with smart reliable performance for superior filtration achieved with minimal effort.
Fluval FX4 High Performance Canister Filter makes aquarium fishkeeping easier and more convenient thanks to Smart Pump technology. Advanced microchip technology continuously monitors and optimized pump performance while utilizing no more than 30 watts of power. Self-priming unit makes start up a breeze and includes all filter media for convenient use right out of the box. For freshwater or marine aquariums up to 250 gallons.
Key FeaturesWhat's Included
Ribbed Hosing, Rim Connectors, Clips and Suction Cups, Intake Stem, Output Nozzle, Lid Fasteners, Filter Canister, Utility Valve and Hosing, Drain Cap, Pump Unit (Motor) and Power Cord, Rubber Feet, Media Baskets, 1/2 Media Baskets, Filter Lid and Accessories.
Maintenance Tips
Important
To ensure optimal and proper functioning of your Fluval FX External Filter, regular
maintenance is required. Failure to do so may result in the failure of the filter and
will invalidate your warranty. Additionally, regular cleaning and maintenance will
greatly reduce or completely prevent faults and reduction in performance. Please
refer to the maintenance schedule below.
| Maintenance Frequency Chart | ||||
| Components | Monthly | Every Three Months | Every Six Months | Yearly |
| Magnetic Impeller | Check &; Clean | Replace | ||
| Motor Seal Ring | Check &; Clean | Replace | ||
| Intake Stem/Strainer | Check &; Clean | |||
| Ribbed Hosing | Check &; Clean | |||
| Mechanical Foam | Check &; Clean | Replace Half Quantity | ||
| Bio-Foam | Check &; Clean | Replace | ||
| BIOMAX | Rinse | Replace Half Quantity | ||
| Carbon Pad | Replace | |||
| Canister (inside)* | Check &; Clean | |||
* IMPORTANT: If you have not done regular maintenance of the inside of the canister as recommended by the maintenance frequency chart, some particles may get flushed back into the aquarium.
About Fluval
What Makes Fluval So Trusted?
Fluval is a world leader in quality aquatic products. Fish-hobbyists everywhere have depended on Fluval's reliable technology and great design for over 35 years.
Fluval has built its reputation by developing technically advanced, innovative products that are easy to use, durable, and convenient. Without Fluval innovations the world's aquariums would be far less inspiring.
Fluval's pioneering spirit and commitment to technology and design are also reflected in its wide product range, from the technically advanced Fluval G Series Filters to stylish yet practical aquariums, including Fluval Edge, Chi, Profile, and Studio.
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