Fluval FX4 External Filter

4 reviews

Building on the mighty FX platform is the all new FX4, a compact little brother to the FX6. Known for its strength and durability, FX6 outputs 3500 L/h in aquariums up to 1500L. Capable of outputting 2650 L/h, the FX4 bridges the gap between the Fluval 406 and the FX6 canister, making it an ideal choice for consumers with aquariums up to 1000L.


  • Fluval FX4 External Filter
    code: A214 In stock Only 4 left in stock

Product Information

Brand new on the market this FX4 makes sure you can expect FX's legendary mix of power and efficiency that lets you spend more time enjoying your aquarium and less time maintaining it.

FX4 Features a Smart Pump capable of 2650 L (700 US Gal) of water per hour with advanced microchip technology that continuously monitors and optimises pump performance

Self-starting - just add water, plug in and Smart Pump™ will take over. Trapped air is auto-evacuated every 12 hours to ensure maximum efficiency. Removable, stackable media baskets eliminate water bypass and hold a total of 3.9 L (1 US Gal) of media which is all included.

Multi-directional output nozzles can be fully adjusted to create customised water flows and its utility Valve with drain hose makes for easy maintenance and flushing of canister.

FX4 is compact measuring 40 cm by 42 cm in height which easily fits under most aquariums. For use in freshwater and saltwater aquariums

GuaranteeAquarium CapacityPump OutputMechanical Area (Foam)Biological VolumeFiltration VolumeFilter CirculationMax Head HeightWattageDimensions
3 Years Limited

1,000 ltrs2,650 lph1,400cm²3.91 ltrs14 ltrs1,700 lph2.1m30wL:40cm x W:40cm x H:42cm


  • Rubber 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
  • All filter media included - mechanical, chemical and biological

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