For Sale UK

External aquarium filters

4

External aquarium filters for sale on largest auction and classifieds sites

Home / Lenses & Filters / External aquarium filters refurbished & used for sale | For Sale UK
Hidom external aquarium filter - hidom,

Hidom external aquarium filter - hidom,

£59.95 · Buy It Now

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Aquarium fish tank external - tank,

Aquarium fish tank external - tank,

£84.99 · Buy It Now

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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£94.99 · Buy It Now

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Allpondsolutions 250 - allpondsolutions, ef-250

Allpondsolutions 250 - allpondsolutions, ef-250

£42.99 · Buy It Now

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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£34.99 · Buy It Now

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Aquarium fish tank - , external

Aquarium fish tank - , external

£64.99 · Buy It Now

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External aquarium fish tank - external,

External aquarium fish tank - external,

£19.99 · Buy It Now

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Aqua one ocellaris - one, 850

Aqua one ocellaris - one, 850

£26.70 · Buy It Now

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Fluval external filter with - filter,

Fluval external filter with - filter,

£199.99 · Buy It Now

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Aquarium tank external filter - tank,

Aquarium tank external filter - tank,

£8.99 · Buy It Now

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Filter floss wool media roll - filter,

Filter floss wool media roll - filter,

£18.99 · Buy It Now

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Jebao external aquarium fish - aquarium,

Jebao external aquarium fish - aquarium,

£69.99 · Buy It Now

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Allpondsolutions 500l hang - 500l/h,

Allpondsolutions 500l hang - 500l/h,

£29.99 · Buy It Now

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Aquarium fish tank external

Aquarium fish tank external

£99.99 · Buy It Now

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Jbl cristalprofi e902 - jbl,

Jbl cristalprofi e902 - jbl,

£128.09 · Buy It Now

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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£99.99 · Buy It Now

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Aquarium external canister - aquarium,

Aquarium external canister - aquarium,

£66.95 · Buy It Now

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69cm wide aquarium - 69cm,

69cm wide aquarium - 69cm,

£43.99 · Buy It Now

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Filter floss wool foam - filter,

Filter floss wool foam - filter,

£7.95 · Buy It Now

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Activated carbon 4mm granular - activated,

Activated carbon 4mm granular - activated,

£365.00 · Buy It Now

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400l canister filter set - canister,

400l canister filter set - canister,

£32.98 · Buy It Now

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External aquarium canister - external,

External aquarium canister - external,

£14.99 · Buy It Now

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Aquarium fish tank external - tank,

Aquarium fish tank external - tank,

£59.99 · Buy It Now

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Aquarium fish tank external - tank,

Aquarium fish tank external - tank,

£79.90 · Buy It Now

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Swell aquarium external filter - aquarium,

Swell aquarium external filter - aquarium,

£45.99 · Buy It Now

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Hvdor professional 150 - professional,

Hvdor professional 150 - professional,

£83.90 · Buy It Now

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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£78.98 · Buy It Now

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Fluval external filter 107 - external,

Fluval external filter 107 - external,

£124.99 · Buy It Now

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Jebao external aquarium - jebao,

Jebao external aquarium - jebao,

£64.95 · Buy It Now

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Aquamanta efx 300 external - aquamanta,

Aquamanta efx 300 external - aquamanta,

£31.90 · Buy It Now

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Stage quiet canister - stage,

Stage quiet canister - stage,

£68.30 · Buy It Now

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External aquarium canister - external,

External aquarium canister - external,

£59.99 · Buy It Now

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Fluval 207 780l h - 207, (mpna443_)

Fluval 207 780l h - 207, (mpna443_)

£99.19 · Buy It Now

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Aquarium pond filter wool - filter,

Aquarium pond filter wool - filter,

£10.99 · Buy It Now

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69cm wide aquarium pond - wide,

69cm wide aquarium pond - wide,

£52.99 · Buy It Now

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Hang external filter - external,

Hang external filter - external,

£13.99 · Buy It Now

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Filter floss wool foam - wool,

Filter floss wool foam - wool,

£7.50 · Buy It Now

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Foam inlet strainer - foam,

Foam inlet strainer - foam,

£6.99 · Buy It Now

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Oase filtosmart external - oase,

Oase filtosmart external - oase,

£46.95 · Buy It Now

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Stage aquarium reverse - stage,

Stage aquarium reverse - stage,

£31.99 · Buy It Now

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Fluval external filter 107 207 - 107,

Fluval external filter 107 207 - 107,

£247.99 · Buy It Now

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External aquarium fish tank - aquarium,

External aquarium fish tank - aquarium,

£13.99 · Buy It Now

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Green grey tubing aquarium - grey,

Green grey tubing aquarium - grey,

£12.99 · Buy It Now

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Aquarium fish tank - aquarium, external

Aquarium fish tank - aquarium, external

£84.99 · Buy It Now

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External aquarium fish tank - aquarium,

External aquarium fish tank - aquarium,

£16.99 · Buy It Now

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Hidom aquarium external - hidom,

Hidom aquarium external - hidom,

£62.95 · Buy It Now

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Oase biomaster external - oase, 2

Oase biomaster external - oase, 2

£167.10 · Buy It Now

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Aquarium fish tank - fish, external

Aquarium fish tank - fish, external

£109.99 · Buy It Now

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Hidom hang back filter - hang, on

Hidom hang back filter - hang, on

£5.99 · Buy It Now

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External canister filter - external,

External canister filter - external,

£24.99 · Buy It Now

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Sunsun 3000l external - 3000l/h,

Sunsun 3000l external - 3000l/h,

£159.69 · Buy It Now

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Superfish hang filter 100 - superfish, hang-on

Superfish hang filter 100 - superfish, hang-on

£18.29 · Buy It Now

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Hidom external aquarium hang - external,

Hidom external aquarium hang - external,

£10.95 · Buy It Now

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External aquarium fish tank - external,

External aquarium fish tank - external,

£19.99 · Buy It Now

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Aquamanta efx 300 - efx,

Aquamanta efx 300 - efx,

£64.90 · Buy It Now

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Small aquarium filter hang - hang, on

Small aquarium filter hang - hang, on

£10.95 · Buy It Now

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Aqua one ocellaris external - aqua,

Aqua one ocellaris external - aqua,

£147.99 · Buy It Now

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Mini aquarium hang filter - mini,

Mini aquarium hang filter - mini,

£7.99 · Buy It Now

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Fluval 307 external filter - 307,

Fluval 307 external filter - 307,

£159.99 · Buy It Now

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Super aquatic 501 - aquatic, aquarium

Super aquatic 501 - aquatic, aquarium

£11.99 · Buy It Now

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Oase filtosmart thermo 100 - filtosmart,

Oase filtosmart thermo 100 - filtosmart,

£50.62 · Buy It Now

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Fluval spray bar - spray, for

Fluval spray bar - spray, for

£15.99 · Buy It Now

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Betta canister filter - canister,

Betta canister filter - canister,

£169.99 · Buy It Now

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Aquarium fish tank external

Aquarium fish tank external

£84.99 · Buy It Now

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Sunsun ybf 500 - 500, fish

Sunsun ybf 500 - 500, fish

£59.99 · Buy It Now

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Fluval 206 fish tank pump - fluval,

Fluval 206 fish tank pump - fluval,

£63.10 · Buy It Now

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Sicce space eko external - eko+,

Sicce space eko external - eko+,

£99.95 · Buy It Now

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500 800 l h aquarium - 500,

500 800 l h aquarium - 500,

£29.99 · Buy It Now

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Aqua one ocellaris external - one,

Aqua one ocellaris external - one,

£94.99 · Buy It Now

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Fluval aquastop valve for - aquastop,

Fluval aquastop valve for - aquastop,

£20.25 · Buy It Now

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Allpondsolutions external - allpondsolutions,

Allpondsolutions external - allpondsolutions,

£14.99 · Buy It Now

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Aquarium fish tank - aquarium, external

Aquarium fish tank - aquarium, external

£79.90 · Buy It Now

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Hang back filter for - hang,

Hang back filter for - hang,

£5.97 · Buy It Now

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Aquamanta efx300 external - aquamanta,

Aquamanta efx300 external - aquamanta,

£50.00 · Buy It Now

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Eheim professionel 600 - eheim,

Eheim professionel 600 - eheim,

£100.00 · Buy It Now

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Oase filtosmart external - filtosmart, 60

Oase filtosmart external - filtosmart, 60

£25.99 · Buy It Now

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Impeller and ceramic - impeller, shaft

Impeller and ceramic - impeller, shaft

£8.79 · Buy It Now

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Fluval fx6 external aquarium - fluval,

Fluval fx6 external aquarium - fluval,

£172.30 · Buy It Now

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External filter - external,

External filter - external,

£40.00 · Buy It Now

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Aquarium fish tank - , external

Aquarium fish tank - , external

£74.98 · Buy It Now

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Oase biomaster external - oase,

Oase biomaster external - oase,

£219.95 · Buy It Now

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Allpondsolutions inlet pack - inlet,

Allpondsolutions inlet pack - inlet,

£9.99 · Buy It Now

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2000ef external canister - 2000ef,

2000ef external canister - 2000ef,

£63.10 · Buy It Now

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Fluval external filter media - filter,

Fluval external filter media - filter,

£53.99 · Buy It Now

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Tetra intake kit - tetra, ex

Tetra intake kit - tetra, ex

£16.99 · Buy It Now

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The oase filtosmart - filtosmart, 60

The oase filtosmart - filtosmart, 60

£38.99 · Buy It Now

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Betta 400 external - 400, canister

Betta 400 external - 400, canister

£63.22 · Buy It Now

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Arcadia polyfilter pad - arcadia,

Arcadia polyfilter pad - arcadia,

£61.99 · Buy It Now

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Eheim ecco pro - eheim, 51

Eheim ecco pro - eheim, 51

£59.90 · Buy It Now

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Aqua one ocellaris 850 - aqua,

Aqua one ocellaris 850 - aqua,

£89.99 · Buy It Now

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Aquarium tank external filter - tank,

Aquarium tank external filter - tank,

£9.99 · Buy It Now

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Aqua one ocellaris - one,

Aqua one ocellaris - one,

£41.99 · Buy It Now

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Fluval activated carbon media - carbon,

Fluval activated carbon media - carbon,

£14.99 · Buy It Now

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Fluval external filter 107 207 - fluval,

Fluval external filter 107 207 - fluval,

£124.99 · Buy It Now

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Oase filtosmart thermo - oase,

Oase filtosmart thermo - oase,

£105.99 · Buy It Now

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📊95 listings · from £5.97 · avg £65.12
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 95 external aquarium filters listings currently in our index. Prices range from £5.97 to £365, with an average of £65.12. 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 external aquarium filters →

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Everything you need to know about external aquarium filters

Whether you are looking for a brand-new or second-hand external aquarium filters, eBay offers one of the largest selections available online. With 95 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 £5.97, while premium listings can reach £365 — giving you a wide budget spread to work with. The average price of £65.12 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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