Fluval fx
Fluval fx for sale on Ireland's largest auction and classifieds sites
Fluval a219 fx6 external - fx6, - £271.10
Fluval a219 fx6 • External aquarium filter • Aquariums capacity 1500 - Free postage - New and Used
Fluval a219 fx6 • External aquarium filter • Aquariums capacity 1500 - Free postage - New and Used
Fluval external aquarium - fluval, - £247.99
Fx6 fluval fx2 • External aquarium canister • Fx4 bridges gap - Free postage - New and Used
Fx6 fluval fx2 • External aquarium canister • Fx4 bridges gap - Free postage - New and Used
Fluval 107 207 - 307, fx - £124.99
High performance canister • New fluval external • Filter fx4 bridges - Free postage - New and Used
High performance canister • New fluval external • Filter fx4 bridges - Free postage - New and Used
Fluval filter spray bar - fx, - £22.99
Specifically use fluval • Fx2 fx4 fx6 • Canister filters adjustable - Free postage - New and Used
Specifically use fluval • Fx2 fx4 fx6 • Canister filters adjustable - Free postage - New and Used
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Fluval fx6 used - fx6, - £219.10
Great condition fluval • Fx6 comes everything • You need start - Free postage - New and Used
Great condition fluval • Fx6 comes everything • You need start - Free postage - New and Used
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48 listings · from £7.99 · avg £141.55
Browse 48 fluval fx listings currently in our index. Prices range from £7.99 to £312.7, with an average of £141.55. 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 →
Fluval fx6 used - fluval, - £187.90
Fulval fx6 full • Working order comes • Two hoses aquariums - Free postage - New and Used
Fulval fx6 full • Working order comes • Two hoses aquariums - Free postage - New and Used
Fluval fx4 used months old - fluval, - £177.50
This prestine condition • Filter has been • Used only months - Free postage - New and Used
This prestine condition • Filter has been • Used only months - Free postage - New and Used
Fluval fx5 used - fluval, - £146.30
Fluval fx5 comes • Brand new e25 • Alfagrog media all - Free postage - New and Used
Fluval fx5 comes • Brand new e25 • Alfagrog media all - Free postage - New and Used
Fluval fx2 used - fluval, - £161.02
Very good condition • Old has been • Looked after clean - Free postage - New and Used
Very good condition • Old has been • Looked after clean - Free postage - New and Used
Fluval uvc line - fluval, in-line - £95.99
Uvc line clarifier • Quickly easily connects • All canister filters - Free postage - New and Used
Uvc line clarifier • Quickly easily connects • All canister filters - Free postage - New and Used
Fluval fx4 motor - motor, unit - £114.75
Fluval fx4 motor • Unit includes sealing • Ring such have - Free postage - New and Used
Fluval fx4 motor • Unit includes sealing • Ring such have - Free postage - New and Used
Fluval fx2 used - used, 8m9nths - £172.30
This months old • Filter comes everything • You need set - Free postage - New and Used
This months old • Filter comes everything • You need set - Free postage - New and Used
Fluval fx4 canister filter - fluval, - £247.99
Fluval motor head • Fx4 external filter • Seal gasket 307 - Free postage - New and Used
Fluval motor head • Fx4 external filter • Seal gasket 307 - Free postage - New and Used
Fluval gravel vacuum - fluval, - £41.99
Gravel vac quickly • Connects all fluval • Canister filters ultimate - Free postage - New and Used
Gravel vac quickly • Connects all fluval • Canister filters ultimate - Free postage - New and Used
Fluval uvc line - fx, - £104.99
Uvc line clarifier • Quickly easily connects • All canister filters - Free postage - New and Used
Uvc line clarifier • Quickly easily connects • All canister filters - Free postage - New and Used
Fluval fx4 external aquarium - fluval, - £247.99
Fluval fx4 external • Aquarium fish tank • Canister filter building - Free postage - New and Used
Fluval fx4 external • Aquarium fish tank • Canister filter building - Free postage - New and Used
Fluval external filter 107 - external, - £124.99
Fluval fx6 external • Filter building success • Series has had - Free postage - New and Used
Fluval fx6 external • Filter building success • Series has had - Free postage - New and Used
Fluval fx5 fx6 service kit - fx6, - £198.99
Fluval fx5 fx6 • Lid fastener suitable • High performance filters - Free postage - New and Used
Fluval fx5 fx6 • Lid fastener suitable • High performance filters - Free postage - New and Used
Fluval replacement parts - fluval, - £199.99
Parts suitable fluval • Fx4 fx5 fx6 • Lid fastener a20214 - Free postage - New and Used
Parts suitable fluval • Fx4 fx5 fx6 • Lid fastener a20214 - Free postage - New and Used
Fluval aquarium fish - fish, fx4 - £13.99
Fluval output nozzle • Fx2 fx4 fx5 • 305 404 405 - Free postage - New and Used
Fluval output nozzle • Fx2 fx4 fx5 • 305 404 405 - Free postage - New and Used
Fluval filter shrimp - filter, intake - £14.99
Essential upgrade anyone • Keeping shrimp their • Aquarium fish effectively - Free postage - New and Used
Essential upgrade anyone • Keeping shrimp their • Aquarium fish effectively - Free postage - New and Used
Compatible fluval fx2 fx4 - compatible, fx5 - £7.99
These nitrate resin • Impregnated pads will • Effectively absorb nitrite - Free postage - New and Used
These nitrate resin • Impregnated pads will • Effectively absorb nitrite - Free postage - New and Used
Fluval spray bar kit for - bar, - £23.45
Specifically fluval fx2 • Fx4 fx6 high • Performance canister filters - Free postage - New and Used
Specifically fluval fx2 • Fx4 fx6 high • Performance canister filters - Free postage - New and Used
Fluval fx4 filter service - fx4, - £114.75
Fluval fx4 • Motor sealing ring • Fx2 impeller spare - Free postage - New and Used
Fluval fx4 • Motor sealing ring • Fx2 impeller spare - Free postage - New and Used
Fluval fx6 canister filter - fluval, - £305.99
Fluval fx6 canister • Filter high performance • Aquarium filtration advanced - Free postage - New and Used
Fluval fx6 canister • Filter high performance • Aquarium filtration advanced - Free postage - New and Used
Fluval fx6 external canister - fx6, - £305.99
Fluval fx6 high • Performance canister filter • Many outstanding features - Free postage - New and Used
Fluval fx6 high • Performance canister filter • Many outstanding features - Free postage - New and Used
Fluval fx4 fx5 - fx6, canister - £16.00
Unbreakable steel fastener • Barrel nut assembly • Use fluval fx4 - Free postage - New and Used
Unbreakable steel fastener • Barrel nut assembly • Use fluval fx4 - Free postage - New and Used
Fluval fx2 canister - fluval, - £214.99
Baskets are precision • Engineered eliminate water • Pass making filtration - Free postage - New and Used
Baskets are precision • Engineered eliminate water • Pass making filtration - Free postage - New and Used
Fluval fx5 fx6 - fluval, filter - £99.50
Fluval fx5 external • Filter complete pair • Hoses one nearly - Free postage - New and Used
Fluval fx5 external • Filter complete pair • Hoses one nearly - Free postage - New and Used
Fluval fx6 external - fluval, - £312.70
External fx6 filter • Only brought new • November 2025 has - Free postage - New and Used
External fx6 filter • Only brought new • November 2025 has - Free postage - New and Used
Fluval fx5 fx6 external filter - fx5, - £109.90
Fluval fx5 external • Filter complete pair • Hoses all media - Free postage - New and Used
Fluval fx5 external • Filter complete pair • Hoses all media - Free postage - New and Used
Fluval external power filter - external, - £305.99
Capable outputting 700 • Gph fx4 bridges • Gap between fluval - Free postage - New and Used
Capable outputting 700 • Gph fx4 bridges • Gap between fluval - Free postage - New and Used
Compatible carbon impregnated - carbon, - £7.99
These carbon impregnated • Filter pads are • Suitable both freshwater - Free postage - New and Used
These carbon impregnated • Filter pads are • Suitable both freshwater - Free postage - New and Used
Fluval ribbed hose hosing - ribbed, fish - £24.99
Fluval ribbed hosing • Such have huge • Wealth experience online - Free postage - New and Used
Fluval ribbed hosing • Such have huge • Wealth experience online - Free postage - New and Used
Fluval uvc line - uvc, in-line - £99.99
Uvc line clarifier • Quickly easily connects • All canister filters - Free postage - New and Used
Uvc line clarifier • Quickly easily connects • All canister filters - Free postage - New and Used
Fluval external filter - fluval, - £159.99
Fluval external canister • Filters are engineered • Optimal balance performance - Free postage - New and Used
Fluval external canister • Filters are engineered • Optimal balance performance - Free postage - New and Used
Fluval fx4 fx5 fx6 aquarium - fx4/fx5/fx6, - £17.69
Fluval fx4 fx5 • Filter purge valve • Fx6 aquarium external - Free postage - New and Used
Fluval fx4 fx5 • Filter purge valve • Fx6 aquarium external - Free postage - New and Used
Fluval filter intake strainer - fluval, - £14.95
Fluval fx4 fx5 • Fx6 intake strainer • A20221 part number - Free postage - New and Used
Fluval fx4 fx5 • Fx6 intake strainer • A20221 part number - Free postage - New and Used
Fluval fx6 external aquarium - fluval, - £305.99
Fluval fx6 external • Aquarium fish tank • High performance canister - Free postage - New and Used
Fluval fx6 external • Aquarium fish tank • High performance canister - Free postage - New and Used
Fluval fx6 performance - fluval, - £305.99
Recognized workhorse canisters • Their legendary strength • Durability high output - Free postage - New and Used
Recognized workhorse canisters • Their legendary strength • Durability high output - Free postage - New and Used
Fluval fx5 fx6 - fluval, kit - £58.90
Fx6 high performance • Specifically fluval fx2 • Canister filter series - Free postage - New and Used
Fx6 high performance • Specifically fluval fx2 • Canister filter series - Free postage - New and Used
Fluval fx2 canister filter - fx2, - £146.30
Fluval fx2 canister • Filter powerful external • Aquariums tank capacity - Free postage - New and Used
Fluval fx2 canister • Filter powerful external • Aquariums tank capacity - Free postage - New and Used
Fluval fx2 fx4 fx5 - fluval, - £25.21
- Free postage - New and Used
- Free postage - New and Used
Fluval fx4 fish tank - fluval, filter - £120.30
Fluval fx4 fish • Needs impeller shaft • Couple screws hold - Free postage - New and Used
Fluval fx4 fish • Needs impeller shaft • Couple screws hold - Free postage - New and Used
Fluval connector tube - fluval, - £11.95
Fluval fx6 external • Range 100 genuine • Spare part use - Free postage - New and Used
Fluval fx6 external • Range 100 genuine • Spare part use - Free postage - New and Used
Compatible fluval fx2 fx4 fx5 - compatible, - £7.99
Kompatible schaum filterpads • Geeignet fluval fx4 • Fx5 fx6 externe - Free postage - New and Used
Kompatible schaum filterpads • Geeignet fluval fx4 • Fx5 fx6 externe - Free postage - New and Used
Fluval fx2 canister aquarium - fluval, - £224.99
Fluval fx2 aquarium • External filter 1800l • Tanks 750l continually - Free postage - New and Used
Fluval fx2 aquarium • External filter 1800l • Tanks 750l continually - Free postage - New and Used
Fluval external power filter - power, - £305.99
Building mighty performance • Reliability platform all • New fx4 high - Free postage - New and Used
Building mighty performance • Reliability platform all • New fx4 high - Free postage - New and Used
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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 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 £7.99, while premium listings can reach £312.7 — giving you a wide budget spread to work with. The average price of £141.55 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.