Fluval FX4 External filter 2650L/H (upto 1000L)

Sale price£281.99


Building off the high-performance FX platform, the all-new FX4 canister filter bridges the gap between the Fluval 406 and the FX6 canister filters, making it an ideal choice for aquariums up to 250 US Gal (1000 L).


  • Multi-stage filter pumps out 700 gallons (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 (Kit sold separately) and Smart Pump™ does the rest
  • Removable, stackable media baskets eliminate water bypass and hold a total of 1 gallon (3.9 L) 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
  • Compact 16.5″ tall design – easily fits under most aquariums
  • Made in Italy
  • For use in freshwater and saltwater aquariums




Aquarium Capacity

250 US Gal (1,000 L)

Pump Output

700 US Gal/h (2,650 L/h)

Mechanical Area (foam)

217 in2 (1,400 cm2)

Biological Volume

1 US Gal (3.91 L)

Filtration Volume

3.7 US Gal (14 L)

Filter Circulation

450 US Gal/h (1,700 L/h)

Head height (max.)

6.9ft (2.1 m)

Wattage (120V/60Hz)

30 W

Wattage (230-240V/50Hz)

30 W

Dimensions (L x W x H)

15.75 x 15.75 x 16.5" (40 x 40 x 42 cm)

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