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Water Filter Systems for Aquariums, Reefs, Ponds and more. 

Finerfilters offers a range of Fishkeeping systems for Marine, Tropical, Discus, Koi Carp, Malawi Fishkeeping and much more! Find our range of Reverse Osmosis, HMA and UV Systems below.

Aquarium Reverse Osmosis SystemsAquarium Reverse Osmosis Systems

Aquarium RO Systems

Pond DechlorinatorsPond Dechlorinators

Pond Dechlorinators

Aquarium Fluidised Bed FiltersAquarium Fluidised Bed Filters

Fluidised Bed Filters

Aquarium HMA SystemsAquarium HMA Systems

HMA Filter Systems

UV Water Treatment Steriliser SystemsUV Water Treatment Steriliser Systems

UV Water Sterilisers

Resin / Pressure VesselsResin / Pressure Vessels

Resin / Pressure Vessels

4040 Reverse Osmosis Systems4040 Reverse Osmosis Systems

4040 RO Systems

Systems

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  1. 4 Stage Compact Aquarium Reverse Osmosis 100 GPD Unit with Inline DI Resin Chamber for Tropical, Marine & Discus Fish
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    4 Stage Compact Aquarium Reverse Osmosis 100 GPD Unit with Inline DI Resin Chamber for Tropical, Marine & Discus Fish
    £48.99
    Rating:
    100%
    1  Review
  2. 4 Stage Compact Aquarium Reverse Osmosis 75 GPD Unit with Inline DI Resin Chamber for Tropical, Marine & Discus Fish
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    4 Stage Compact Aquarium Reverse Osmosis 75 GPD Unit with Inline DI Resin Chamber for Tropical, Marine & Discus Fish
    £45.99
    Rating:
    100%
    1  Review
  3. 4 Stage Compact Aquarium Reverse Osmosis 50 GPD Unit with Inline DI Resin Chamber for Tropical, Marine & Discus Fish
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    4 Stage Compact Aquarium Reverse Osmosis 50 GPD Unit with Inline DI Resin Chamber for Tropical, Marine & Discus Fish
    £42.99
    Rating:
    98%
    3  Reviews
  4. 3 Stage Compact Aquarium Reverse Osmosis 100 GPD Unit for Tropical, Marine & Discus Fish
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    3 Stage Compact Aquarium Reverse Osmosis 100 GPD Unit for Tropical, Marine & Discus Fish
    £41.99
  5. 3 Stage Compact Aquarium Reverse Osmosis 75 GPD Unit for Tropical, Marine & Discus Fish
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    3 Stage Compact Aquarium Reverse Osmosis 75 GPD Unit for Tropical, Marine & Discus Fish
    £36.99
  6. 3 Stage Compact Aquarium Reverse Osmosis 50 GPD Unit for Tropical, Marine & Discus Fish
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    3 Stage Compact Aquarium Reverse Osmosis 50 GPD Unit for Tropical, Marine & Discus Fish
    £32.99
    Rating:
    100%
    2  Reviews
  7. 4 Stage Aquarium Reverse Osmosis 75GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Aquarium Reverse Osmosis 75GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £67.99
  8. 4 Stage Aquarium Reverse Osmosis 50GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Aquarium Reverse Osmosis 50GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £64.99
    Rating:
    100%
    4  Reviews
  9. 4 Stage Aquarium Reverse Osmosis 100GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Aquarium Reverse Osmosis 100GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £74.99
    Rating:
    100%
    1  Review
  10. 10" Standard Clear Water Filter Housing with 3/4" BSP Ports, PRV & 5 Micron Carbon Block Filter
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    10" Standard Clear Water Filter Housing with 3/4" BSP Ports, PRV & 5 Micron Carbon Block Filter
    £19.99
    Out of stock
  11. 10" Standard Blue Water Filter Housing with 3/4" Ports, PRV & 5 Micron Carbon Block Filter
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    10" Standard Blue Water Filter Housing with 3/4" Ports, PRV & 5 Micron Carbon Block Filter
    £19.99
  12. Finerfilters 11W Ultraviolet UV Steriliser System for Water Treatment - 4 Litres Per Minute (1 GPM) - Includes fittings for 1/4" Push Fit Connection
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    Finerfilters 11W Ultraviolet UV Steriliser System for Water Treatment - 4 Litres Per Minute (1 GPM) - Includes fittings for 1/4" Push Fit Connection
    £44.99
  13. Finerfilters 25W Ultraviolet UV Steriliser System for Water Treatment - 23 Litres Per Minute (6 GPM) - 1/2" Male Ports
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    Finerfilters 25W Ultraviolet UV Steriliser System for Water Treatment - 23 Litres Per Minute (6 GPM) - 1/2" Male Ports
    £99.99
    Rating:
    100%
    1  Review
  14. 3 Stage 10" HMA Heavy Metal Reduction, Pond Dechlorinator Water Filter System with 1/4" connections
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    3 Stage 10" HMA Heavy Metal Reduction, Pond Dechlorinator Water Filter System with 1/4" connections
    £42.99
    Rating:
    100%
    2  Reviews
  15. 3 Stage Aquarium Reverse Osmosis 50 GPD Unit For Marine, Tropical and Discus Fish
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    3 Stage Aquarium Reverse Osmosis 50 GPD Unit For Marine, Tropical and Discus Fish
    £44.99
    Rating:
    93%
    4  Reviews
  16. 3 Stage 10" Reverse Osmosis System
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    3 Stage Aquarium Reverse Osmosis 75 GPD Unit For Marine, Tropical and Discus Fish
    £49.99
    Rating:
    100%
    1  Review
  17. 3 Stage Aquarium Reverse Osmosis 100 GPD Unit For Marine, Tropical and Discus Fish
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    3 Stage Aquarium Reverse Osmosis 100 GPD Unit For Marine, Tropical and Discus Fish
    £56.99
    Rating:
    100%
    2  Reviews
  18. 10" Jumbo Pond Dechlorinator System with Hozelock Fittings ¦ High Capacity 10" Jumbo Water Filter Housing with Carbon Block Water Filter ¦ 10" x 4.5" - 5 Micron, 3/4" BSP Ports
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    10" Jumbo Pond Dechlorinator System with Hozelock Fittings ¦ High Capacity 10" Jumbo Water Filter Housing with Carbon Block Water Filter ¦ 10" x 4.5" - 5 Micron, 3/4" BSP Ports
    £42.99
    Rating:
    100%
    1  Review
    Out of stock
  19. 3 Stage HMA Heavy Metal Removal 10" Drinking Water Filter System with 1/4" fittings & Faucet Tap by Finerfilters
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    3 Stage HMA Heavy Metal Removal 10" Drinking Water Filter System with 1/4" fittings & Faucet Tap by Finerfilters
    £59.99
  20. Fluidised Bed Filter / Phosphate Reactor ¦ Clear Housing with 1/4" Connections, Refillable Media Cartridge & 5m of Tubing
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    Fluidised Bed Filter / Phosphate Reactor ¦ Clear Housing with 1/4" Connections, Refillable Media Cartridge & 5m of Tubing
    £22.99
    Out of stock
  21. Finerfilters Fluidised Bed Filter, Phosphate Reactor - Clear Housing with Hosepipe Connections
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    Finerfilters Fluidised Bed Filter, Phosphate Reactor - Clear Housing with Hosepipe Connections
    £27.99
    Out of stock
  22. FL 0817 Resin Vessel with 11 Litre Capacity
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    FL 0817 Resin Vessel with 11 Litre Capacity
    £65.99
    Out of stock
  23. FL 0835 Resin Vessel with 25 Litre Capacity
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    FL 0835 Resin Vessel with 25 Litre Capacity
    £82.99
    Out of stock
  24. Finerfilters 20" Standard Dechlorinator Triple Water Filter Housing with PP + GAC + CTO with Hozelock Type Connections
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    Finerfilters 20" Standard Dechlorinator Triple Water Filter Housing with PP + GAC + CTO with Hozelock Type Connections
    £69.99
    Rating:
    100%
    1  Review
    Out of stock
  25. Finerfilters 20" Standard HMA Heavy Metal Reduction Water Filter System with Hozelock Type Connections
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    Finerfilters 20" Standard HMA Heavy Metal Reduction Water Filter System with Hozelock Type Connections
    £74.99
    Out of stock
  26. Finerfilters 4040 Reverse Osmosis Membrane Housing
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    Finerfilters 4040 Reverse Osmosis Membrane Housing
    £94.99
    Out of stock
  27. Vontron ULP21-4040 Reverse Osmosis Membrane 2400GPD
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    Vontron ULP21-4040 Reverse Osmosis Membrane 2400GPD
    Subscribe & Save 5%
    £194.99
  28. Spectrum WW-4040 Reverse Osmosis Membrane
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    Spectrum WW-4040 Reverse Osmosis Membrane
    Subscribe & Save 5%
    £199.99
  29. Spectrum SS WWH Housings
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    Spectrum 4040 RO Membrane Housing Stainless Steel WWH-4040
    £89.99
  30. Spectrum WW-4040 Window Wash Reverse Osmosis Membrane Element & Spectrum WWH-4040 Stainless Steel Membrane Housing Set
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    Spectrum WW-4040 Window Wash Reverse Osmosis Membrane Element & Spectrum WWH-4040 Stainless Steel Membrane Housing Set
    £279.99
  31. 11W Ultraviolet UV Steriliser System for Water Treatment - 4 Litres Per Minute (1 GPM) - Includes fittings for 1/4" Push Fit Connection
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    11W Ultraviolet UV Steriliser System for Water Treatment - 4 Litres Per Minute (1 GPM) - Includes fittings for 1/4" Push Fit Connection
    £46.99
  32. 25W Ultraviolet UV Steriliser System for Water Treatment - 23 Litres Per Minute (6 GPM) - 1/2" Male Ports
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    25W Ultraviolet UV Steriliser System for Water Treatment - 23 Litres Per Minute (6 GPM) - 1/2" Male Ports
    £107.99
    Out of stock
  33. Finerfilters 55W Ultraviolet UV Steriliser System for Water Treatment - 45 Litres Per Minute (12 GPM) - 3/4" Male Ports
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    Finerfilters 55W Ultraviolet UV Steriliser System for Water Treatment - 45 Litres Per Minute (12 GPM) - 3/4" Male Ports
    £199.99
  34. 3 Stage 10" HMA Heavy Metal Reduction, Pond Dechlorinator Water Filter System with Hozelock Type Adapter
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    3 Stage 10" HMA Heavy Metal Reduction, Pond Dechlorinator Water Filter System with Hozelock Type Adapter
    As low as £49.99
  35. 4 Stage Aquarium Reverse Osmosis Triple 50GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Aquarium Reverse Osmosis Triple 50GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £79.99
  36. 4 Stage Aquarium Reverse Osmosis Triple 75GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Aquarium Reverse Osmosis Triple 75GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £84.99
  37. 4 Stage Aquarium Reverse Osmosis Triple 100GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Aquarium Reverse Osmosis Triple 100GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £89.99
  38. 4 Stage Pumped Aquarium Reverse Osmosis Triple 50GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Pumped Aquarium Reverse Osmosis Triple 50GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £127.99
  39. 4 Stage Pumped Aquarium Reverse Osmosis Triple 75GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Pumped Aquarium Reverse Osmosis Triple 75GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £137.99
  40. 4 Stage Pumped Aquarium Reverse Osmosis Triple 100GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
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    4 Stage Pumped Aquarium Reverse Osmosis Triple 100GPD Unit - Drop In Style with Refillable DI Resin Chamber For Marine, Tropical and Discus Fish
    £147.99
    Rating:
    100%
    1  Review
  41. FilterLogic 0822 Resin Pressure Vessel with 14.4 Litre Capacity
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    FilterLogic 0822 Resin Pressure Vessel with 14.4 Litre Capacity
    £89.99
    Out of stock
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