For Sale UK

Fluval u4 filter

4

Fluval u4 filter for sale on largest auction and classifieds sites

Home / Tool Accessories / Fluval u4 filter refurbished & used for sale | For Sale UK
Fluval mini u3 u4 - fluval, mini,u1,u2,u3,u4

Fluval mini u3 u4 - fluval, mini,u1,u2,u3,u4

£29.99
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Fluval filter media 6 - filter,

Fluval filter media 6 - filter,

£22.75
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Fluval internal aquarium - u2,

Fluval internal aquarium - u2,

£26.70
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Compatible filter media - compatible, for

Compatible filter media - compatible, for

£8.49
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Fluval underwater internal - u4,

Fluval underwater internal - u4,

£52.70
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Compatible fluval - compatible,

Compatible fluval - compatible,

£10.49
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Out front adjustable - out, spray

Out front adjustable - out, spray

£10.00
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Fluval internal filter - internal,

Fluval internal filter - internal,

£31.90
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Fluval mini u3 u4 - mini,, u2,

Fluval mini u3 u4 - mini,, u2,

£73.49
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Spray bar for fluval u3 - for,

Spray bar for fluval u3 - for,

£14.22
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Fluval new series - fluval,

Fluval new series - fluval,

£42.99
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Compatible fluval u4 foam - x,

Compatible fluval u4 foam - x,

£10.49
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170g compatible biomax for - 170g,

170g compatible biomax for - 170g,

£32.99
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Fluval internal filter - fluval,

Fluval internal filter - fluval,

£37.00
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Fluval a440 107 fish - fluval,

Fluval a440 107 fish - fluval,

£83.90
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Fluval internal underwater - internal,

Fluval internal underwater - internal,

£31.90
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Compatible polycarbon - compatible,

Compatible polycarbon - compatible,

£10.49
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Fluval internal filter - u4,

Fluval internal filter - u4,

£40.00
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Fluval filter media value - u,

Fluval filter media value - u,

£18.99
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Fluval series internal - u,

Fluval series internal - u,

£60.49
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Compatible filter media for - filter,

Compatible filter media for - filter,

£8.49
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Fluval filter media foam - media,

Fluval filter media foam - media,

£18.99
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Fluval internal aquarium - fluval,

Fluval internal aquarium - fluval,

£45.99
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Fluval brackets - fluval, u2

Fluval brackets - fluval, u2

£14.99
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Fluval series u3 - series,

Fluval series u3 - series,

£45.99
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Fluval internal underwater - fluval,

Fluval internal underwater - fluval,

£60.15
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Compatible fluval - fluval, u4

Compatible fluval - fluval, u4

£5.49
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Fluval clearmax poly max - fluval, poly-max

Fluval clearmax poly max - fluval, poly-max

£9.40
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Fluval internal underwater - fluval,

Fluval internal underwater - fluval,

£22.99
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Fluval external filter with - filter,

Fluval external filter with - filter,

£109.99
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Compatible fluval u3 foam - fluval,

Compatible fluval u3 foam - fluval,

£9.49
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Fluval underwater internel - u4,

Fluval underwater internel - u4,

£73.49
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Fluval new series - fluval,

Fluval new series - fluval,

£29.99
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Compatible fluval u4 - x,

Compatible fluval u4 - x,

£13.99
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Fluval poly carbon filter - carbon,

Fluval poly carbon filter - carbon,

£10.59
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Fluval clean clear - clean, &

Fluval clean clear - clean, &

£8.84
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Fluval internal aquarium - u4,

Fluval internal aquarium - u4,

£73.49
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Fluval u4 filter - fluval, u1

Fluval u4 filter - fluval, u1

£8.75
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Fluval external aquarium - external,

Fluval external aquarium - external,

£224.99
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Compatible fluval u3 - 8,

Compatible fluval u3 - 8,

£17.49
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Fluval aquarium filter u3 - fluval,

Fluval aquarium filter u3 - fluval,

£8.95
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Fluval filter media - fluval,

Fluval filter media - fluval,

£8.95
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Spray bar nozzle for - for, fluval

Spray bar nozzle for - for, fluval

£7.99
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Fluval spare impeller u3 - fluval,

Fluval spare impeller u3 - fluval,

£21.99
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Fluval poly clearmax - u3,

Fluval poly clearmax - u3,

£11.45
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Compatible polycarbon - 4,

Compatible polycarbon - 4,

£6.99
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Filter bracket for fluval - filter,

Filter bracket for fluval - filter,

£13.45
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Fluval mini u3 u4 - u2,

Fluval mini u3 u4 - u2,

£60.49
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Fluval filter media - fluval,

Fluval filter media - fluval,

£22.99
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Fluval new series - fluval, u-series

Fluval new series - fluval, u-series

£45.99
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Compatible with fluval - compatible,

Compatible with fluval - compatible,

£5.99
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Compatible fluval u4 foam - u4,

Compatible fluval u4 foam - u4,

£19.49
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Fluval internal aquarium - fluval, u4

Fluval internal aquarium - fluval, u4

£72.99
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Compatible foam filter - x,

Compatible foam filter - x,

£9.49
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Fluval range filters mini - fluval, u

Fluval range filters mini - fluval, u

£42.99
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Fluval clean clear - clean,

Fluval clean clear - clean,

£13.99
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Compatible fluval u4 foam - x,

Compatible fluval u4 foam - x,

£10.49
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Compatible fluval u4 foam - fluval,

Compatible fluval u4 foam - fluval,

£19.49
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Compatible foam filter - x,

Compatible foam filter - x,

£5.99
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Fluval carbon foam - u4,

Fluval carbon foam - u4,

£15.98
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Fluval media value - fluval, u3

Fluval media value - fluval, u3

£22.90
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Fluval internal power - fluval, u4

Fluval internal power - fluval, u4

£8.47
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Fluval aquarium internal - fluval,

Fluval aquarium internal - fluval,

£20.00
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Fluval u4 filter - fluval, u1/u2/u3/u4

Fluval u4 filter - fluval, u1/u2/u3/u4

£9.19
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Fluval series poly - poly, carb

Fluval series poly - poly, carb

£8.04
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Ingviee compatible carbon - compatible,

Ingviee compatible carbon - compatible,

£11.99
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Fluval biomax ceramic - u4,

Fluval biomax ceramic - u4,

£9.45
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Fluval filter media - filter,

Fluval filter media - filter,

£9.99
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Fluval mini u3 u4 - fluval, mini,u1,u2,u3,u4

Fluval mini u3 u4 - fluval, mini,u1,u2,u3,u4

£45.99
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Fluval media value pack - fluval,

Fluval media value pack - fluval,

£20.59
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Fluval media value pack 6 - u4,

Fluval media value pack 6 - u4,

£22.90
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Fluval series bio foam - fluval,

Fluval series bio foam - fluval,

£7.59
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Fluval poly carb carbon - fluval,

Fluval poly carb carbon - fluval,

£23.49
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Compatible polymax - x,

Compatible polymax - x,

£13.99
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Compatible polymax - 4,

Compatible polymax - 4,

£6.99
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Fluval filter foam - fluval, u4

Fluval filter foam - fluval, u4

£21.99
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Fluval filter media - media, foam

Fluval filter media - media, foam

£22.99
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Fluval internal filter - internal,

Fluval internal filter - internal,

£73.49
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Fluval u4 internal - u2,

Fluval u4 internal - u2,

£15.95
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Fluval u4 internal - u1/u2/u3/u4,

Fluval u4 internal - u1/u2/u3/u4,

£12.99
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Fluval filter media value - media,

Fluval filter media value - media,

£26.63
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Compatible polymax - 8, x

Compatible polymax - 8, x

£10.49
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Fluval sponge foam genuine - sponge,

Fluval sponge foam genuine - sponge,

£39.99
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Fluval poly max - u3, u4

Fluval poly max - u3, u4

£8.49
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Fluval new internal filter - u4,

Fluval new internal filter - u4,

£73.49
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Fluval aqaurium filter full - aqaurium,

Fluval aqaurium filter full - aqaurium,

£73.49
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Fluval filter media - fluval,

Fluval filter media - fluval,

£27.32
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Fluval replacement directional - fluval,

Fluval replacement directional - fluval,

£13.45
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Fluval filter media - filter, value

Fluval filter media - filter, value

£27.32
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Fluval aquarium internal - u4,

Fluval aquarium internal - u4,

£21.99
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Ingviee set compatible foam - ingviee,

Ingviee set compatible foam - ingviee,

£14.99
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200pcs new carbon foam filter - 200pcs,

200pcs new carbon foam filter - 200pcs,

£35.64
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Fluval filter mini u3 u4 - fluval, u2

Fluval filter mini u3 u4 - fluval, u2

£29.99
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Fluval biomax for u4 - u2, /

Fluval biomax for u4 - u2, /

£5.95
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Fluval 307 external aquarium - fluval,

Fluval 307 external aquarium - fluval,

£159.99
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Fluval new internal - new,

Fluval new internal - new,

£29.99
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📊96 listings · from £5.49 · avg £29.98

Browse 96 fluval u4 filter listings currently in our index. Prices range from £5.49 to £224.99, with an average of £29.98. 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 u4 filter →

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Everything you need to know about fluval u4 filter

Whether you are looking for a brand-new or second-hand fluval u4 filter, 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 £5.49, while premium listings can reach £224.99 — giving you a wide budget spread to work with. The average price of £29.98 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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