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Replacement Water Filters and Media for Pond and Aquarium Systems

Reverse Osmosis SystemsReverse Osmosis Systems

Aquarium RO Filter Packs

HMA Replacement FiltersHMA Replacement Filters

HMA Filter Packs

RO MembranesRO Membranes

RO Membranes

Aquarium Resin and MediaAquarium Resin and Media

Resin and Media

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Carbon Filters

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Sediment Filters

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  1. Vontron 4040 Reverse Osmosis Membrane 2400GPD ULP21-4040
    Vontron 4040 Reverse Osmosis Membrane 2400GPD ULP21-4040
    Rating:
    100%
    1 Review
    £189.99
    Out of stock
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  2. PRISM MAX RANGE : Chloramine Carbon Block 1µm 20" for Large Diameter
    PRISM MAX RANGE : Chloramine Carbon Block 1µm 20" for Large Diameter
    0 Reviews
    £149.99
    Out of stock
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  3. Tulsion MB115 Mixed Bed DI Resin 25L Bag. De-Ionising Resin / DI Resin For Reverse Osmosis, Window Cleaning
    Tulsion MB115 Mixed Bed DI Resin 25L Bag. De-Ionising Resin / DI Resin For Reverse Osmosis, Window Cleaning
    0 Reviews
    £129.99
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  4. Finerfilters 20" Jumbo HMA Heavy Metal Removal Replacement Filter Pack - PP, GAC/KDF, CTO
    Finerfilters 20" Jumbo HMA Heavy Metal Removal Replacement Filter Pack - PP, GAC/KDF, CTO
    0 Reviews
    £89.99
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  5. Finerfilters 4040 Stainless Steel Membrane Housing
    Finerfilters 4040 Stainless Steel Membrane Housing
    0 Reviews
    £84.99
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  6. Finerfilters All-In-One Inline Water Filter System with Fluoride and Heavy Metal Removal, Scale Inhibitor | 0.5 Micron Carbon Block
    Finerfilters All-In-One Inline Water Filter System with Fluoride and Heavy Metal Removal, Scale Inhibitor | 0.5 Micron Carbon Block
    Rating:
    100%
    1 Review
    £69.99
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  7. Finerfilters 4021 Stainless Steel Membrane Housing
    Finerfilters 4021 Stainless Steel Membrane Housing
    0 Reviews
    £69.99
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  8. Vontron 400 GPD Reverse Osmosis Membrane Element ULP3012-400
    Vontron 400 GPD Reverse Osmosis Membrane Element ULP3012-400
    0 Reviews
    £49.99 As low as £46.99
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  9. Jumbo GAC/KDF Water Filter | 20" x 4.5" | Granular Activated Carbon & KDF Media
    Jumbo GAC/KDF Water Filter | 20" x 4.5" | Granular Activated Carbon & KDF Media
    0 Reviews
    £49.99
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  10. 10" Jumbo Clear Housing and Pleated Sediment Pre Filter Water Filter System 1" BSP by Finerfilters
    10" Jumbo Clear Housing and Pleated Sediment Pre Filter Water Filter System 1" BSP by Finerfilters
    0 Reviews
    £47.99
    Out of stock
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  11. 10" Jumbo Clear Housing and Sediment Pre Filter Water Filter System 1" BSP by Finerfilters
    10" Jumbo Clear Housing and Sediment Pre Filter Water Filter System 1" BSP by Finerfilters
    0 Reviews
    £41.99
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  12. Vontron 300 GPD Reverse Osmosis Membrane Element ULP3012-300
    Vontron 300 GPD Reverse Osmosis Membrane Element ULP3012-300
    Rating:
    100%
    1 Review
    £39.99 As low as £37.99
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  13. 10" Jumbo Water Filter Housing with Carbon Block Water Filter | 10" x 4.5" - 5 Micron, 3/4" BSP Ports
    10" Jumbo Water Filter Housing with Carbon Block Water Filter | 10" x 4.5" - 5 Micron, 3/4" BSP Ports
    0 Reviews
    £38.99
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  14. 10" Jumbo Housing and Sediment Pre Filter Water Filter System 3/4" BSP by Finerfilters
    10" Jumbo Housing and Sediment Pre Filter Water Filter System 3/4" BSP by Finerfilters
    Rating:
    100%
    1 Review
    £36.99
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  15. Finerfilters 20" Standard HMA Heavy Metal Removal Replacement Filter Pack - PP, GAC/KDF, CTO
    Finerfilters 20" Standard HMA Heavy Metal Removal Replacement Filter Pack - PP, GAC/KDF, CTO
    0 Reviews
    £34.99
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  16. GAC Water Filter | 20" x 4.5" | Granular Activated Carbon Filter Cartridge, Fits 20" Jumbo Big Blue Housings
    GAC Water Filter | 20" x 4.5" | Granular Activated Carbon Filter Cartridge, Fits 20" Jumbo Big Blue Housings
    Rating:
    100%
    2 Reviews
    £34.99 As low as £29.99
    Out of stock
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  17. Vontron 200 GPD Reverse Osmosis Membrane Element ULP2812-200
    Vontron 200 GPD Reverse Osmosis Membrane Element ULP2812-200
    Rating:
    100%
    1 Review
    £34.99 As low as £32.99
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  18. Jumbo GAC/KDF Water Filter | 10" x 4.5" | Granular Activated Carbon & KDF Media
    Jumbo GAC/KDF Water Filter | 10" x 4.5" | Granular Activated Carbon & KDF Media
    0 Reviews
    £29.99 As low as £26.99
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  19. 20" Jumbo Carbon Block Water Filter | 20" x 4.5" | For Drinking Water Systems
    20" Jumbo Carbon Block Water Filter | 20" x 4.5" | For Drinking Water Systems
    0 Reviews
    As low as £28.99 As low as £25.99
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  20. Vontron 150 GPD Reverse Osmosis Membrane Element ULP1812-150
    Vontron 150 GPD Reverse Osmosis Membrane Element ULP1812-150
    0 Reviews
    £27.99 As low as £25.99
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  21. Finerfilters 20" Triple Housing Replacement Filter Set PP Sediment, GAC & CTO Carbon Block
    Finerfilters 20" Triple Housing Replacement Filter Set PP Sediment, GAC & CTO Carbon Block
    Rating:
    100%
    2 Reviews
    £24.99
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  22. GAC/KDF Water Filter | 20" x 2.5" | Granular Activated Carbon & KDF Media
    GAC/KDF Water Filter | 20" x 2.5" | Granular Activated Carbon & KDF Media
    0 Reviews
    £24.99 As low as £21.99
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  23. Matrikx PB1 Chloramine and Heavy Metal Reduction Catalytic Carbon Block Water Filter | 10" x 2.5" - 0.5 Micron | Model No. 06-250-10
    Matrikx PB1 Chloramine and Heavy Metal Reduction Catalytic Carbon Block Water Filter | 10" x 2.5" - 0.5 Micron | Model No. 06-250-10
    Rating:
    93%
    1 Review
    £21.95 As low as £20.25
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  24. Vontron 100 GPD Reverse Osmosis Membrane Element ULP1812-100
    Vontron 100 GPD Reverse Osmosis Membrane Element ULP1812-100
    Rating:
    100%
    1 Review
    £19.99 As low as £17.99
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Shopping Options
Category
Product Type
  1. Filter Housings 1 item
  2. Replacement Filters 1 item
Product Type
  1. Filter Housings 1 item
  2. Replacement Filters 61 items
  3. Refillable Cartridges 4 items
Filter Type
  1. Drop-In Cartridges 39 items
  2. Filter Packs - Mixed 6 items
  3. Filter Packs - Reverse Osmosis 1 item
  4. Refillable Cartridges 2 items
  5. Reverse Osmosis - Filters 3 items
  6. Reverse Osmosis - Membranes 9 items
System Type
  1. Filter Housing (Inc. Filter/s) 8 items
  2. Whole House System 1 item
Brand/Manufacturer
  1. Finerfilters 70 items
  2. Matrikx 3 items
  3. Pentair 1 item
  4. Prism 1 item
  5. Tulsion 2 items
  6. Vontron 9 items
Product Brand
  1. Finerfilters 65 items
  2. Matrikx 3 items
  3. Pentair 1 item
  4. Tulsion 2 items
  5. Vontron 9 items
  6. Prism 1 item
Compatible With
Compatible With (Drinking Water Filters)
  1. Blanco 3 items
  2. Finerfilters 3 items
Cartridge Style
Cartridge Size
10" Standard
10" Jumbo
20" Standard
20" Jumbo
Cartridge Type
  1. Carbon Block Cartridge 11 items
  2. DI Resin Cartridge 1 item
  3. GAC Cartridge 5 items
  4. GAC/KDF Cartridge 4 items
  5. Refillable Cartridge (empty) 2 items
  6. Refillable Cartridge (filled) 2 items
  7. Sediment Cartridge 18 items
Colour
  1. Blue 14 items
  2. White 48 items
  3. Clear 8 items
  4. Grey 10 items
  5. Gold 2 items
  6. Silver 2 items
Contaminants Filtered
  1. Chloramine 15 items
  2. Chlorine 34 items
  3. Cysts (Giardia & Cryptosporidium) 10 items
  4. Dissolved Organic Matter (DOM) 41 items
  5. Fluoride 1 item
  6. Heavy Metals 15 items
  7. Hormones (Oestrogen etc.) 8 items
  8. Iron & Manganese 1 item
  9. Lead 15 items
  10. Limescale 10 items
  11. Microplastics 26 items
  12. Nitrates 8 items
  13. Pathogenic Bacteria 15 items
  14. Pesticides & Herbicides 34 items
  15. Polyfluoroalkyls (PFAs) 41 items
  16. Sediment 66 items
  17. Turbidity 66 items
  18. Volatile Organic Compounds (VOCs) 34 items
  19. Viruses (99%) 8 items
  20. Bad Smell & Odour 4 items
Filtering Materials
  1. Activated Alumina 1 item
  2. Catalytic Carbon Block 4 items
  3. Ceramic 1 item
  4. Coconut Carbon Block 10 items
  5. Ion Exchange Resin 3 items
  6. Granular Activated Carbon 6 items
  7. Granular Catalytic Carbon 1 item
  8. Hollow Fibre Membrane 1 item
  9. KDF Media 4 items
  10. Pleated Polyester 7 items
  11. Polyphosphate 1 item
  12. Powdered Activated Carbon 1 item
  13. Proprietary Media 1 item
  14. Spun Polypropylene 15 items
  15. TAC Media 1 item
  16. TFC Membrane 9 items
  17. Wound String 6 items
Connection Type
  1. Drop In 46 items
  2. Keyed Head 1 item
  3. 1/4" Female Ports 2 items
  4. 3/4" Female Ports 4 items
  5. 1/4" Push Fit 3 items
Membrane Type
Membrane GPD
  1. No Membrane 8 items
  2. 50 Gallons Per Day 8 items
  3. 75 Gallons Per Day 7 items
  4. 100 Gallons Per Day 7 items
  5. 150 Gallons Per Day 5 items
  6. 200 Gallons Per Day 2 items
  7. 300 Gallons Per Day 1 item
  8. 400 Gallons Per Day 1 item
Micron Rating
0.0001 Micron
0.5 Micron
1 Micron
5 Micron
10 Micron
20 Micron
50 Micron
Stock Status
  1. In Stock 65 items
  2. Out of Stock 20 items
Price
Price range:
£3 - £190
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