FX Series

Designed for aquariums up to 400 US Gal / 1500 L, FX comes equipped with all the power, media capacity and reliability you’d expect from a high-performance filter.

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Patented Smart Pump™ performance-optimizing technology

Intricate multi-stage filtration with built-in powered water change system

Basket-in-basket tray design offering massive media capacity

Patented SMART PUMP™ performance-optimizing technology

Intricate multi-stage filtration with built-in powered water change system

Basket-in-basket tray design offering massive media capacity

Available Models

FX2 Canister Filter

175 US Gal / 750 L

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FX4 Canister Filter

250 US Gal / 1000 L

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FX6 Canister Filter

400 US Gal / 1500 L

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View Specs & Compare Models

FX Series High Performance Canister Filters

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High Octane Power

Known for its strength and durability, FX Series sweeps the tank harder and faster to retain a greater amount of debris, which translates into cleaner water and less maintenance frequency.

Multi-Stage Filtration

FX Series filters feature 2 inset red baskets for greater media capacity and flexibility. As with all Fluval filters, water flows through each media stage in proper order to ensure thorough cleaning. This process is more efficient and effective than some competitive filters, which force water through all stages in one pass.

Wide Media Selection

Discover Fluval’s complete range of authentic media solutions, offering higher quality, consistency and effectiveness to help support the overall health of your filter and fish.

Pre-Filter

Traps waste and debris

Bio-Foam

Biological

Deep pore structure with interconnected micro-tunnels offers vast surface area for billions of beneficial nitrifying bacteria to establish and thrive

Bio-FX

Boosts beneficial bacteria growth

Bio-Foam+

Complex porous rings offer efficient biological filtration, promote beneficial bacteria growth and help to control ammonia and nitrite

BIOMAX

Mechanical

Traps micro particles for sparkling, crystal clear water

Quick-Clear

Fine polyester pad captures small particles and debris

Max-Clean

Traps micro particles and debris while removing odors, discolorations, heavy metals and organic contaminants

Carbon Foam Pad

Chemical

Removes harmful toxins and odors

Carbon

Neutralizes toxic ammonia to prevent fish loss

Ammonia Remover

Removes toxins, odors and ammonia

Zeo-Carb

All-natural way to acidify aquarium water

Peat Granules

Removes excess phosphate for a clean and safe aquarium

Phosphate Remover Pad

Removes harmful nitrite

Nitrite
Remover Pad

Neutralizes toxic ammonia to prevent fish loss

Ammonia Remover Pad

Free Media Included

	FX2	FX4	FX6
Bio-Foam	4	4	6
Bio-Foam+	1	1	2
BioMax	2	2	2
Carbon Foam	1	1	1
Media Bags	2	2	2

Seamless Water Changes

The FX4 and FX6 filters feature a multi-functional utility valve to empty the canister and perform seamless water changes without disturbing your setup or tank inhabitants. As an added bonus, two convenient hosing clips located on the filter lid allow for storage when not in use.

The FX2 filter is so compact and lightweight that it can
easily be drained manually, even when filled with water.

Additional Features

AquaStop Click-Fit Valves

Leak-free fast assembly

Versatile Intake

Telescopic stem and anti-clog strainer

Twin Output Nozzles

Multi-directional for customized water currents

Innovative Rim Connectors

Flexible and secure connection

Self Priming

Just add water and Smart Pump™ does the rest

Rubber Feet

Reduce vibration

Enter your tariff to calculate your estimated daily running costs.

Cycling on/off for a total run time of 3 hours per day based on an average ambient temperature of 24 degrees Celsius.

kWh £0

FX2 Canister Filter, up to 175 US Gal / 750 L

£0.00

FX4 Canister Filter, up to 250 US Gal / 1000 L

£0.00

FX6 Canister Filter, up to 1500 L

£0.00