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Fluval FX4 External Aquarium Filter

Fluval FX4 External Aquarium Filter
Building on the mighty FX performance and reliability platform, the all-new FX4 high performance canister filter is a compact 'little brother' to the FX6. The FX4 bridges the gap between the Fluval 406 and the FX6 canister filter, making it an ideal choice for aquariums up to 1000 L (250 US Gal).


  • Multi-stage filter pumps out 2650 L (700 US Gal) 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 carry heavy buckets. Simply attach hosing to output (kit sold separately) and Smart Pump™ does the rest
  • Removable, stackable media baskets eliminate water bypass and hold a total of 3.9 L (1 US Gal) of media
  • All filter media included - mechanical, chemical and biological
  • Aqua-Stop valves with leak-proof Click-Fit attachment system
  • Valves positioned at convenient 45-degree angle for easy installation and rotation
  • Anti-clog, telescopic strainer ensures continuous water flow
  • Multi-directional output nozzles can be fully adjusted to create customized water flows
  • Utility Valve with drain hose for easy maintenance and flushing of canister
  • Rubberized feet help ensure quiet operation
  • Made in Italy
  • For use in freshwater and saltwater aquariums


  • Aquarium Capacity: 1000 L (250 US GAL)
  • Pump Output: 2650 L/H (700 US GAL)
  • Mechanical Area (foam): 1400 CM (217 IN)
  • Biological Volume: 3.9 L (1 US GAL)
  • Filtration Volume: 14 L (3.7 US GAL)
  • Head Height (max): 2.1 M (6.9 FT)
  • Wattages 230-240V/50Hz: 30 W
  • Max Width 40cm
  • Max Height 42cm
  • 3m hose

The all-new FX4 high performance canister filter is the compact version to the Fluval FX6.

For Aquariums
Aquariums Up To1000 litres

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  • Brand: Fluval
  • Product Code: FA214
  • Dispatch Time: 1 day
  • Availability: In Stock
  • £189.99

Tags: External Aquarium Filter