Fluval u3 filter
Fluval u3 filter for sale on Ireland's largest auction and classifieds sites
Fluval mini u3 u4 - fluval, mini,u1,u2,u3,u4 - £21.99
Fluval internal filter • Provides efficient filtration • Create superior aquarium - Free postage - New and Used
Fluval internal filter • Provides efficient filtration • Create superior aquarium - Free postage - New and Used
Compatible filter media - media, for - £32.99
Will supplied foam • Polycarbon set 170g • Ordering sets biomax - Free postage - New and Used
Will supplied foam • Polycarbon set 170g • Ordering sets biomax - Free postage - New and Used
Fluval filter media 6 - u3, - £20.99
Fluval polishing pad • External filter foam • 107 407 fx4 - Free postage - New and Used
Fluval polishing pad • External filter foam • 107 407 fx4 - Free postage - New and Used
170g compatible biomax - 170g, for - £20.99
This product compatible • Fluval filter very • High surface area - Free postage - New and Used
This product compatible • Fluval filter very • High surface area - Free postage - New and Used
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Fluval mini u3 u4 - fluval, u1, - £23.95
Fluval series filters • Provide option setting • Flow output different - Free postage - New and Used
Fluval series filters • Provide option setting • Flow output different - Free postage - New and Used
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48 listings · from £6.95 · avg £25.38
⚠️ These listings were last updated more than 103 days ago.
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Browse 48 fluval u3 filter listings currently in our index. Prices range from £6.95 to £60.49, with an average of £25.38. 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 u3 filter →
Fluval filter media - fluval, u2 - £19.99
From fluval range • Biomax maximum biological • Aquarium filtration 110g - Free postage - New and Used
From fluval range • Biomax maximum biological • Aquarium filtration 110g - Free postage - New and Used
Fluval underwater aquarium - u3, - £53.99
Fluval series filters • Provide option setting • Flow output different - Free postage - New and Used
Fluval series filters • Provide option setting • Flow output different - Free postage - New and Used
Fluval filter media - filter, u3 - £7.95
Effectively produces crystal • Clear water reduces • Odors creates ideal - Free postage - New and Used
Effectively produces crystal • Clear water reduces • Odors creates ideal - Free postage - New and Used
Fluval series internal - fluval, - £29.99
Mini fluval underwater • Filter provides efficient • Filtration create superior - Free postage - New and Used
Mini fluval underwater • Filter provides efficient • Filtration create superior - Free postage - New and Used
Compatible fluval - compatible, - £13.49
- Free postage - New and Used
- Free postage - New and Used
Fluval internal underwater - fluval, - £60.49
Offering outstanding stage • Filtration increased water • Movement vital aeration - Free postage - New and Used
Offering outstanding stage • Filtration increased water • Movement vital aeration - Free postage - New and Used
Fluval internal filter for - fluval, - £51.66
Filter can installed • Vertically against aquarium • Wall create currents - Free postage - New and Used
Filter can installed • Vertically against aquarium • Wall create currents - Free postage - New and Used
Compatible filter media for - media, - £14.49
Effectively filters phosphate • Produce crystal clear • Water reduces odours - Free postage - New and Used
Effectively filters phosphate • Produce crystal clear • Water reduces odours - Free postage - New and Used
Fluval mini u3 u4 - fluval, u2 - £23.99
Fluval series filters • Provide option setting • Flow output different - Free postage - New and Used
Fluval series filters • Provide option setting • Flow output different - Free postage - New and Used
Compatible fluval clean - compatible, - £9.99
Compatible range filters • Compact all aquariums • Crystal clear results - Free postage - New and Used
Compatible range filters • Compact all aquariums • Crystal clear results - Free postage - New and Used
Fluval new series - fluval, - £29.99
Fluval internal filter • 1000l aquariums 240l • 600l - Free postage - New and Used
Fluval internal filter • 1000l aquariums 240l • 600l - Free postage - New and Used
Fluval internal underwater - u3, - £47.50
Fluval internal underwater • Filter powerful 600l • Flow rate power - Free postage - New and Used
Fluval internal underwater • Filter powerful 600l • Flow rate power - Free postage - New and Used
Spray bar nozzle - nozzle, fluval - £7.99
- Free postage - New and Used
- Free postage - New and Used
Fluval brackets - u3, u4 - £17.99
Fluval internal filter • Genuine spare parts • Bracket a15404 one - Free postage - New and Used
Fluval internal filter • Genuine spare parts • Bracket a15404 one - Free postage - New and Used
Fluval internal submersible - internal, - £60.49
From fluval range • Series internal filter • Aquariums 150 ltrs - Free postage - New and Used
From fluval range • Series internal filter • Aquariums 150 ltrs - Free postage - New and Used
Fluval mini u3 u4 - fluval, mini,u1,u2,u3,u4 - £29.99
Series filters are • Also great terrariums • Turtle tanks aquarium - Free postage - New and Used
Series filters are • Also great terrariums • Turtle tanks aquarium - Free postage - New and Used
Out front adjustable - front, spray - £10.02
Will fit all • Fluval series filters • Oxygenator valve through - Free postage - New and Used
Will fit all • Fluval series filters • Oxygenator valve through - Free postage - New and Used
Fluval filter media - fluval, - £7.50
Also fits fluval • Underwater filters effectively • Produces crystal clear - Free postage - New and Used
Also fits fluval • Underwater filters effectively • Produces crystal clear - Free postage - New and Used
Fluval u4 filter - u1, - £20.50
Fluval foam pads • Box contents a488 • Underwater filters a487 - Free postage - New and Used
Fluval foam pads • Box contents a488 • Underwater filters a487 - Free postage - New and Used
Fluval aquarium filter u3 - aquarium, - £6.95
Effectively produces crystal • Clear water reduces • Odors fluval underwater - Free postage - New and Used
Effectively produces crystal • Clear water reduces • Odors fluval underwater - Free postage - New and Used
Compatible with fluval - compatible, - £19.99
Our web site • They will fit • Internal power filter - Free postage - New and Used
Our web site • They will fit • Internal power filter - Free postage - New and Used
Fluval series u3 - u, u4 - £29.99
Adjustable way flow • From fluval range • Mini aquariums 45ltrs - Free postage - New and Used
Adjustable way flow • From fluval range • Mini aquariums 45ltrs - Free postage - New and Used
Fluval spare impeller u3 - impeller, - £21.99
Fluval impeller • Roma led driver • A13263 light units - Free postage - New and Used
Fluval impeller • Roma led driver • A13263 light units - Free postage - New and Used
Fluval filter bio - foam, pads - £8.66
Fluval filter bio • Foam pads free • Are high quality - Free postage - New and Used
Fluval filter bio • Foam pads free • Are high quality - Free postage - New and Used
Fluval series internal - u, - £10.69
These are fluval • Internal filter brackets • Aquarium filters genuine - Free postage - New and Used
These are fluval • Internal filter brackets • Aquarium filters genuine - Free postage - New and Used
Fluval poly carbon filter - fluval, - £7.25
Eheim aquarium hose • 16mm 22mm external • Canister filter tube - Free postage - New and Used
Eheim aquarium hose • 16mm 22mm external • Canister filter tube - Free postage - New and Used
Compatible fluval u3 foam - compatible, - £9.49
Effectively produces crystal • Clear water reduces • Odours creates ideal - Free postage - New and Used
Effectively produces crystal • Clear water reduces • Odours creates ideal - Free postage - New and Used
Fluval underwater internal - underwater, - £60.49
Fluval underwater internal • Series filters provide • Option setting flow - Free postage - New and Used
Fluval underwater internal • Series filters provide • Option setting flow - Free postage - New and Used
Fluval new series - fluval, u-series - £42.99
- Free postage - New and Used
- Free postage - New and Used
Fluval plus impeller - u3, - £21.99
Fluval plus impeller • Fx4 filter service • Kit motor unit - Free postage - New and Used
Fluval plus impeller • Fx4 filter service • Kit motor unit - Free postage - New and Used
Compatible fluval clean - clean, & - £18.99
Compatible range filters • Compact all aquariums • Crystal clear results - Free postage - New and Used
Compatible range filters • Compact all aquariums • Crystal clear results - Free postage - New and Used
Fluval filter internal - fluval, - £60.49
Option setting flow • Output different positions • Provides maximum circulation - Free postage - New and Used
Option setting flow • Output different positions • Provides maximum circulation - Free postage - New and Used
Fluval filter media - u, - £19.95
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Such have huge • Wealth experience online • Trading present list - Free postage - New and Used
Fluval replacement directional - fluval, - £13.19
Directional output nozzles • Fluval underwater filter - Free postage - New and Used
Directional output nozzles • Fluval underwater filter - Free postage - New and Used
Compatible fluval u3 foam - 8, x - £17.49
Nylon filter sock • 200 micron long • Aquarium marine finest - Free postage - New and Used
Nylon filter sock • 200 micron long • Aquarium marine finest - Free postage - New and Used
Fluval poly carb carbon - u3, poly-carb - £19.99
From fluval range • Fine filter odour • Neutraliser are always - Free postage - New and Used
From fluval range • Fine filter odour • Neutraliser are always - Free postage - New and Used
Fluval filter media - filter, u2 - £7.19
Effectively produces crystal • Clear water reduces • Odors creates ideal - Free postage - New and Used
Effectively produces crystal • Clear water reduces • Odors creates ideal - Free postage - New and Used
Fluval filter media bio - filter, - £24.95
Fluval foam pads • Underwater filters effectively • Produces crystal clear - Free postage - New and Used
Fluval foam pads • Underwater filters effectively • Produces crystal clear - Free postage - New and Used
Fluval biomax rings aquarium - fluval, - £17.90
106 206 306 • External filters such • 406 fx4 fx5 - Free postage - New and Used
106 206 306 • External filters such • 406 fx4 fx5 - Free postage - New and Used
Fluval new internal - fluval, filter - £60.49
Fluval internal filter • Now new improved • Aquaplus cycle 250ml - Free postage - New and Used
Fluval internal filter • Now new improved • Aquaplus cycle 250ml - Free postage - New and Used
Fluval biomax ceramic - u4, - £8.85
Fluval filters such • Have huge wealth • Experience online trading - Free postage - New and Used
Fluval filters such • Have huge wealth • Experience online trading - Free postage - New and Used
Fluval u4 filter - fluval, - £9.09
Fluval filter biolife • Venturi valve suitable • Internal filters - Free postage - New and Used
Fluval filter biolife • Venturi valve suitable • Internal filters - Free postage - New and Used
Fluval underwater aquarium - underwater, - £60.49
Filter provides option • Setting flow output • Different positions key - Free postage - New and Used
Filter provides option • Setting flow output • Different positions key - Free postage - New and Used
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Everything you need to know about fluval u3 filter
Whether you are looking for a brand-new or second-hand fluval u3 filter, eBay offers one of the largest selections available online. With 48 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 £6.95, while premium listings can reach £60.49 — giving you a wide budget spread to work with. The average price of £25.38 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.