External Filters

Our range of external aquarium filters, carefully selected to provide efficient and reliable filtration of your fish tank, from filtration market leaders like Fluval.

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  1. Fluval FX4 External Filter + FREE Gravel Cleaner worth £49.99!

    Fluval FX4 External Filter + FREE Gravel Cleaner worth £49.99!

    £194.99

    • Multi-stage filter pumps out 700 gallons (2650 L) of water per hour
    • Smart PumpTM - advanced microchip technology continuously monitors and optimizes pump performance
    • Self-starting - just add water, plug in and Smart PumpTM 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 and Smart PumpTM 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
    *Free gravel cleaner available to order from Fluval on line - delivery charge £4.99 Learn More
  2. Fluval FX6 External Filter + FREE Gravel Cleaner worth £49.99!

    Fluval FX6 External Filter + FREE Gravel Cleaner worth £49.99!

    £239.99

    • FREE Gravel Cleaner worth £49.99*
    • 3 year warranty, with extra 3 years extended warranty available
    • Multi-Stage Filtration produces healthy aquarium water
    • For fresh and saltwater aquariums
    • Features Smart Pump Technology for optimal filter performance, efficiency and management
    • Advanced motor technology provides better performance and reliability while consuming 10% less electricity
    • Click-Fit AquaStop Valves allow fast setup and leak-proof maintenance
    • Valves are positioned at 45 degree angles and rotate for easy installation
    • Self-starting filter-just add water and plug in-Smart Pump Technology will do the rest
    • Monthly maintenance indicator allows you to remember the date of your last filter maintenance/water change
    • Heavy-duty Anti-Clog Telescopic Strainer ensures continuous flow
    • Multi-Directional Output Nozzles can be adjusted to create specific water flows
    • Purge Valve with Drain Hose for easy maintenance and flushing of the canister
    • Water change feature eliminates need to carry buckets of water-simply attach appropriate hose to the output-Smart Pump Technology will do the rest (Kit sold separately)
    • Flow rate: 2130 litres (563 US gallons) per hour
    • For aquariums up to 1500 litres (400 US gallons)
    *Free gravel cleaner available to order from Fluval on line - delivery charge £4.99 Learn More
  3. Fluval 106 External Filter

    Fluval 106 External Filter

    £77.99

    • Improved motor hydraulic performance that reduces maintenance frequency, increases flow rates and head pressure
    • Enhanced water filtration performance for cleaner, healthier water
    • Better biological filtration, with the addition of Bio-Foam media
    • Sound-dampening impeller design for 8 to 15% quieter operation
    • Redesigned impeller cover that’s less prone to breakage
    • Re-engineered efficient priming system for easier starting
    • Stronger lift-lock clamps for more secure closure
    • Hose lock nuts improves security
    Learn More
  4. Fluval 206 External Filter

    Fluval 206 External Filter

    £88.49

    • Improved motor hydraulic performance that reduces maintenance frequency, increases flow rates and head pressure
    • Enhanced water filtration performance for cleaner, healthier water
    • Better biological filtration, with the addition of Bio-Foam media
    • Sound-dampening impeller design for 8 to 15% quieter operation
    • Redesigned impeller cover that’s less prone to breakage
    • Re-engineered efficient priming system for easier starting
    • Stronger lift-lock clamps for more secure closure
    • Hose lock nuts improves security
    Learn More
  5. Fluval 306 External Filter

    Fluval 306 External Filter

    £113.28

    • Improved motor hydraulic performance that reduces maintenance frequency, increases flow rates and head pressure
    • Enhanced water filtration performance for cleaner, healthier water
    • Better biological filtration, with the addition of Bio-Foam media
    • Sound-dampening impeller design for 8 to 15% quieter operation
    • Redesigned impeller cover that’s less prone to breakage
    • Re-engineered efficient priming system for easier starting
    • Stronger lift-lock clamps for more secure closure
    • Hose lock nuts improves security
    Learn More
  6. Fluval 406 External Filter

    Fluval 406 External Filter

    £155.28

    • Improved motor hydraulic performance that reduces maintenance frequency, increases flow rates and head pressure
    • Enhanced water filtration performance for cleaner, healthier water
    • Better biological filtration, with the addition of Bio-Foam media
    • Sound-dampening impeller design for 8 to 15% quieter operation
    • Redesigned impeller cover that’s less prone to breakage
    • Re-engineered efficient priming system for easier starting
    • Stronger lift-lock clamps for more secure closure
    • Hose lock nuts improves security
    Learn More
  7. Oase BioMaster Thermo 250 External Aquarium Filter

    Oase BioMaster Thermo 250 External Aquarium Filter

    £169.98

    • EasyClean pre-filter module: No more bothersome removal of the filter - the pre-filter module is simply taken out, rinsed out and reinserted
    • On request: Includes integrated HeatUp adjustable heater for BioMaster Thermo - it can also be retrofitted
    • Well regulated: Flow control on the filter or with adapter set
    • Large filter volume: The combination of mechanical and highly-effective biological filtration through Hel-X ensures healthy and clear aquarium water
    • Optimal filtration: Fine 45 ppi pre-filter foam for optimal mechanical filtration of the coarse debris and longer service life of the biological media
    • Safe: Shut-off automation and safety locking mechanism prevents undesired water escaping, e.g. when removing the pre-filter module
    • Practical: Vent button for effective water intake - for a fast and easy start up when installing and after cleaning
    Learn More
  8. Oase BioMaster Thermo 350 External Aquarium Filter

    Oase BioMaster Thermo 350 External Aquarium Filter

    £199.98

    • Suitable for aquariums up to 350 litres
    • Intergrated Oase HeatUp 200 Watt Aquarium Heater
    • EasyClean pre-filter module: Simply remove, rinse and reinsert
    • Well regulated: Flow control on the filter or with adapter set
    • Large filter volume: Effective combination of mechanical biological filtration
    Learn More
  9. Oase BioMaster Thermo 600 External Aquarium Filter

    Oase BioMaster Thermo 600 External Aquarium Filter

    £239.99

    • EasyClean pre-filter module: No more bothersome removal of the filter - the pre-filter module is simply taken out, rinsed out and reinserted
    • On request: Includes integrated HeatUp adjustable heater for BioMaster Thermo - it can also be retrofitted
    • Well regulated: Flow control on the filter or with adapter set
    • Large filter volume: The combination of mechanical and highly-effective biological filtration through Hel-X ensures healthy and clear aquarium water
    • Optimal filtration: Fine 45 ppi pre-filter foam for optimal mechanical filtration of the coarse debris and longer service life of the biological media
    • Safe: Shut-off automation and safety locking mechanism prevents undesired water escaping, e.g. when removing the pre-filter module
    • Practical: Vent button for effective water intake - for a fast and easy start up when installing and after cleaning
    Learn More
  10. Oase BioMaster 250 Aquarium Filter

    Oase BioMaster 250 Aquarium Filter

    £149.99

    • EasyClean pre-filter module: No more bothersome removal of the filter - the pre-filter module is simply taken out, rinsed out and reinserted
    • On request: Includes integrated HeatUp adjustable heater for BioMaster Thermo - it can also be retrofitted
    • Well regulated: Flow control on the filter or with adapter set
    • Large filter volume: The combination of mechanical and highly-effective biological filtration through Hel-X ensures healthy and clear aquarium water
    • Optimal filtration: Fine 45 ppi pre-filter foam for optimal mechanical filtration of the coarse debris and longer service life of the biological media
    • Safe: Shut-off automation and safety locking mechanism prevents undesired water escaping, e.g. when removing the pre-filter module
    • Practical: Vent button for effective water intake - for a fast and easy start up when installing and after cleaning
    Learn More

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