For Sale UK

Fluval fx

4

Fluval fx for sale on largest auction and classifieds sites

Home / Lenses & Filters / Fluval fx refurbished & used for sale | For Sale UK
Fluval fx5 external filter for - fluval,

Fluval fx5 external filter for - fluval,

£21.50
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Fluval fx6 used - fluval,

Fluval fx6 used - fluval,

£177.50
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Compatible carbon impregnated - compatible,

Compatible carbon impregnated - compatible,

£7.99
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Fluval external filter 107 - fluval,

Fluval external filter 107 - fluval,

£224.99
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Fluval fx2 canister filter for - canister,

Fluval fx2 canister filter for - canister,

£182.70
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Fluval fx4 fx5 - fx6, canister

Fluval fx4 fx5 - fx6, canister

£16.00
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Fluval uvc line - fx-uvc, in-line

Fluval uvc line - fx-uvc, in-line

£98.99
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Fluval fx6 external - fluval,

Fluval fx6 external - fluval,

£305.99
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Fluval external filter 107 207 - 107,

Fluval external filter 107 207 - 107,

£305.99
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Compatible poly filter - 5,

Compatible poly filter - 5,

£5.99
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Fluval fx4 canister filter - canister,

Fluval fx4 canister filter - canister,

£167.10
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Fluval fx2 external canister - fluval,

Fluval fx2 external canister - fluval,

£170.00
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Fluval fx4 external canister - fluval,

Fluval fx4 external canister - fluval,

£187.90
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Fluval fx5 external filter - fx5,

Fluval fx5 external filter - fx5,

£83.90
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Fluval fx4 canister - canister, filter

Fluval fx4 canister - canister, filter

£104.70
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Fluval 107 207 307 - , fx

Fluval 107 207 307 - , fx

£216.99
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Fluval fx4 used months - fluval,

Fluval fx4 used months - fluval,

£156.70
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Fluval fx6 bucket - fx6, bare

Fluval fx6 bucket - fx6, bare

£35.00
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Fluval fx4 fx5 fx6 external - fluval,

Fluval fx4 fx5 fx6 external - fluval,

£18.50
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Fluval ribbed hose hosing fish - hosing,

Fluval ribbed hose hosing fish - hosing,

£24.99
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Fluval fx6 fx4 - fluval, external

Fluval fx6 fx4 - fluval, external

£305.99
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Fluval spray bar kit - fluval,

Fluval spray bar kit - fluval,

£23.45
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Foam sponge filter - 12,

Foam sponge filter - 12,

£20.99
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Fluval fx5 external - fluval,

Fluval fx5 external - fluval,

£100.00
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Compatible fluval fx2 - fluval, fx4

Compatible fluval fx2 - fluval, fx4

£7.99
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Fluval fx4 fx5 - fx5, fx6

Fluval fx4 fx5 - fx5, fx6

£25.30
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Fluval spray bar kit - fx,

Fluval spray bar kit - fx,

£22.99
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Fluval fx4 fx5 fx6 canister - fluval,

Fluval fx4 fx5 fx6 canister - fluval,

£10.50
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Fluval fx2 high - fx2, high-level

Fluval fx2 high - fx2, high-level

£224.99
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Fluval fx4 external canister - fx4,

Fluval fx4 external canister - fx4,

£247.99
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Fluval purge valve - fx4, /

Fluval purge valve - fx4, /

£14.99
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Fluval fx4 fx5 fx6 - fx4,

Fluval fx4 fx5 fx6 - fx4,

£26.69
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Single adjustable outlet for - single,

Single adjustable outlet for - single,

£13.25
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Fluval under tank hose - fx,

Fluval under tank hose - fx,

£26.99
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Fluval a219 fx6 - fluval,

Fluval a219 fx6 - fluval,

£260.70
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Fluval fx4 fx5 fx6 - fluval, filter

Fluval fx4 fx5 fx6 - fluval, filter

£10.65
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Fluval fx6 service kit - fx6, genuine

Fluval fx6 service kit - fx6, genuine

£49.89
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Compatible fluval fx2 fx4 - compatible,

Compatible fluval fx2 fx4 - compatible,

£7.99
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Fluval fx6 external canister - fluval,

Fluval fx6 external canister - fluval,

£305.99
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Fluval external power - power, filter

Fluval external power - power, filter

£224.99
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Replacement barrel nut cover - barrel,

Replacement barrel nut cover - barrel,

£5.99
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Fluval fx5 fx6 - fx5,

Fluval fx5 fx6 - fx5,

£24.99
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Fluval bio biological - bio, fx

Fluval bio biological - bio, fx

£17.32
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Fluval fx5 fx6 - fluval,

Fluval fx5 fx6 - fluval,

£22.54
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Foam sponge filter pads - foam,

Foam sponge filter pads - foam,

£11.99
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Fluval 107 207 - 407, fx4

Fluval 107 207 - 407, fx4

£305.99
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Fluval fx5 fx6 external - fluval,

Fluval fx5 fx6 external - fluval,

£159.99
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Fluval fx4 fx5 - fluval, fx4/fx5/fx6

Fluval fx4 fx5 - fluval, fx4/fx5/fx6

£9.95
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Single outlet adjustable jet - &,

Single outlet adjustable jet - &,

£11.85
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Compatible fluval fx2 fx4 fx5 - compatible,

Compatible fluval fx2 fx4 fx5 - compatible,

£7.99
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Fluval uvc line - fluval, in-line

Fluval uvc line - fluval, in-line

£104.99
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Fluval fx4 aquarium filter - fx4,

Fluval fx4 aquarium filter - fx4,

£37.69
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Fluval external filter media - external,

Fluval external filter media - external,

£10.25
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Fluval fx2 aquarium - fx2, filter

Fluval fx2 aquarium - fx2, filter

£44.38
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Fluval fx6 filter service - filter, kit

Fluval fx6 filter service - filter, kit

£49.99
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Fluval fx4 motor - fluval, unit

Fluval fx4 motor - fluval, unit

£114.75
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Fluval fx4 fx5 fx6 media - fluval,

Fluval fx4 fx5 fx6 media - fluval,

£44.99
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Fluval external aquarium - external,

Fluval external aquarium - external,

£224.99
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Fluval filter intake strainer - fluval,

Fluval filter intake strainer - fluval,

£14.95
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Fluval fx5 fx6 - fx5, foam

Fluval fx5 fx6 - fx5, foam

£11.99
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Fluval spray bar kit for - fluval,

Fluval spray bar kit for - fluval,

£23.39
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Fluval series fx6 service - series,

Fluval series fx6 service - series,

£53.99
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Fluval carbon foam filter - foam,

Fluval carbon foam filter - foam,

£10.95
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Fluval activated carbon - fluval,

Fluval activated carbon - fluval,

£12.99
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Compatible fine blue - 5,

Compatible fine blue - 5,

£6.99
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Fluval fx5 fx6 impeller kit - fx5,

Fluval fx5 fx6 impeller kit - fx5,

£72.45
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Fluval fx4 service kit - fx4,

Fluval fx4 service kit - fx4,

£38.49
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Fluval connector tube - fluval, fx

Fluval connector tube - fluval, fx

£11.95
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Intake strainer for fluval - strainer,

Intake strainer for fluval - strainer,

£19.99
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Fluval intake strainer made - fluval,

Fluval intake strainer made - fluval,

£14.65
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Fluval fx2 external canister - external,

Fluval fx2 external canister - external,

£209.99
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Fluval replacement parts - replacement,

Fluval replacement parts - replacement,

£58.95
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Fluval fx5 fx6 - fx5, kit

Fluval fx5 fx6 - fx5, kit

£189.95
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Fluval fx6 external filter - fx6,

Fluval fx6 external filter - fx6,

£12.99
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Fluval fx2 fx4 - fx4, ribbed

Fluval fx2 fx4 - fx4, ribbed

£25.21
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Fluval series fx4 - fluval,

Fluval series fx4 - fluval,

£11.99
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Fluval fx4 filter service - filter,

Fluval fx4 filter service - filter,

£114.75
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Fluval bio fix biological - fix,

Fluval bio fix biological - fix,

£30.99
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Fluval fx4 canister filter - fluval,

Fluval fx4 canister filter - fluval,

£247.99
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Fluval gravel vacuum - fx,

Fluval gravel vacuum - fx,

£41.99
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Fluval purge valve for - fluval,

Fluval purge valve for - fluval,

£18.79
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Fluval fx6 canister filter - fluval,

Fluval fx6 canister filter - fluval,

£305.99
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Fluval uvc line - fluval, in-line

Fluval uvc line - fluval, in-line

£99.99
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Fluval fx5 fx6 - fluval, kit

Fluval fx5 fx6 - fluval, kit

£47.50
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Fluval fx4 fx5 fx6 top - top, click

Fluval fx4 fx5 fx6 top - top, click

£4.50
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Fluval fx5 aqua - valve,, 2

Fluval fx5 aqua - valve,, 2

£25.35
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Fluval fx2 bio foam - fluval,

Fluval fx2 bio foam - fluval,

£13.97
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Fluval fx6 used - fx6,

Fluval fx6 used - fx6,

£208.70
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Fluval fx2 canister filter - fx2,

Fluval fx2 canister filter - fx2,

£187.90
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Single adjustable outflow - outflow, /

Single adjustable outflow - outflow, /

£12.00
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Fluval activated carbon media - fluval,

Fluval activated carbon media - fluval,

£11.70
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Fluval replacement output - fluval,

Fluval replacement output - fluval,

£13.35
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Fluval fx4 fx5 fx6 bio - fx6,

Fluval fx4 fx5 fx6 bio - fx6,

£13.90
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Single output nozzle - nozzle, /

Single output nozzle - nozzle, /

£11.50
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Juwel trigon 350 corner - juwel,

Juwel trigon 350 corner - juwel,

£491.20
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Fluval fx6 used - fx6,

Fluval fx6 used - fx6,

£156.70
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📊96 listings · from £4.5 · avg £88.72
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 fluval fx listings currently in our index. Prices range from £4.5 to £491.2, with an average of £88.72. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about fluval fx →

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Everything you need to know about fluval fx

Whether you are looking for a brand-new or second-hand fluval fx, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £4.5, while premium listings can reach £491.2 — giving you a wide budget spread to work with. The average price of £88.72 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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