For Sale UK

External filter

4

External filter for sale on Ireland's largest auction and classifieds sites

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

Hidom external aquarium - external,

£69.95 · Buy It Now

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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£34.99 · 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 - aquarium,

Aquarium fish tank - aquarium,

£109.99 · 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

£64.99 · 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 tank external - aquarium, filter

Aquarium tank external - aquarium, filter

£9.99 · Buy It Now

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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£79.90 · Buy It Now

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Aquarium external canister - aquarium,

Aquarium external canister - aquarium,

£66.95 · 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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External aquarium canister - external,

External aquarium canister - external,

£8.49 · Buy It Now

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External filter - external,

External filter - external,

£38.99 · 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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Stage quiet canister filter - 5,

Stage quiet canister filter - 5,

£68.30 · Buy It Now

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Aquarium fish tank external

Aquarium fish tank external

£99.99 · Buy It Now

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Impeller and ceramic shaft - impeller,

Impeller and ceramic shaft - impeller,

£8.79 · Buy It Now

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Swell aquarium external - swell,

Swell aquarium external - swell,

£45.99 · Buy It Now

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Allpondsolutions 500l hang - allpondsolutions,

Allpondsolutions 500l hang - allpondsolutions,

£29.99 · 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 - aqua, external

Aqua one ocellaris - aqua, external

£94.99 · Buy It Now

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Hidom aquarium external - hidom,

Hidom aquarium external - hidom,

£62.95 · Buy It Now

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External aquarium canister - external,

External aquarium canister - external,

£79.99 · Buy It Now

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Jebao external aquarium fish - external,

Jebao external aquarium fish - external,

£54.99 · Buy It Now

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Fluval 307 external - fluval, filter

Fluval 307 external - fluval, filter

£159.99 · Buy It Now

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Aquarium fish tank - fish, external

Aquarium fish tank - fish, external

£78.98 · Buy It Now

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Aquarium fish tank - tank, external

Aquarium fish tank - tank, external

£74.99 · Buy It Now

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1000ef external canister - 1000ef,

1000ef external canister - 1000ef,

£47.50 · Buy It Now

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Finest filters replacement - finest-filters,

Finest filters replacement - finest-filters,

£7.49 · Buy It Now

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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£59.99 · Buy It Now

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Compatible fluval biomax - fluval, for

Compatible fluval biomax - fluval, for

£4.99 · Buy It Now

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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£109.99 · Buy It Now

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Filter floss wool - wool, roll

Filter floss wool - wool, roll

£18.99 · Buy It Now

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Fluval external filter 107 207 - 107,

Fluval external filter 107 207 - 107,

£305.99 · Buy It Now

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Eheim professional canister - 4+,

Eheim professional canister - 4+,

£66.22 · Buy It Now

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Aqua one ocellaris - ocellaris, external

Aqua one ocellaris - ocellaris, external

£42.99 · Buy It Now

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1000ef external canister - 1000ef+,

1000ef external canister - 1000ef+,

£47.50 · Buy It Now

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Foam inlet strainer - foam, filter

Foam inlet strainer - foam, filter

£6.99 · Buy It Now

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Compatible fluval bio foam - compatible, bio-foam

Compatible fluval bio foam - compatible, bio-foam

£6.99 · Buy It Now

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Jebao external aquarium - jebao,

Jebao external aquarium - jebao,

£64.95 · Buy It Now

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External canister filter - canister,

External canister filter - canister,

£6.49 · Buy It Now

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Sunsun 3000l external - sunsun,

Sunsun 3000l external - sunsun,

£159.69 · Buy It Now

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Hidom hang back - hidom,

Hidom hang back - hidom,

£5.99 · Buy It Now

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Betta canister filter external - canister,

Betta canister filter external - canister,

£169.99 · Buy It Now

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The oase filtosmart - the, 60

The oase filtosmart - the, 60

£38.99 · Buy It Now

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Eheim hosing external filter - eheim,

Eheim hosing external filter - eheim,

£59.99 · Buy It Now

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Replacement aquarium external - aquarium,

Replacement aquarium external - aquarium,

£11.99 · Buy It Now

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Sicce space eko external - sicce,

Sicce space eko external - sicce,

£74.95 · Buy It Now

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Betta choice external - choice,

Betta choice external - choice,

£68.99 · Buy It Now

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Hosing external filter tubing - hosing,

Hosing external filter tubing - hosing,

£86.16 · Buy It Now

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Fluval external filter with - fluval, 07

Fluval external filter with - fluval, 07

£249.99 · Buy It Now

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Evolution aqua micro filter - aqua,

Evolution aqua micro filter - aqua,

£65.00 · Buy It Now

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Hang external filter - hang,

Hang external filter - hang,

£13.99 · Buy It Now

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Hygger hang back - hygger, on

Hygger hang back - hygger, on

£34.91 · Buy It Now

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Filter floss wool foam - floss, media

Filter floss wool foam - floss, media

£6.95 · Buy It Now

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Aquarium tank external filter - aquarium,

Aquarium tank external filter - aquarium,

£9.99 · 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 filtosmart thermo - oase,

Oase filtosmart thermo - oase,

£105.99 · Buy It Now

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Eheim ecco pro external - eheim,

Eheim ecco pro external - eheim,

£50.00 · Buy It Now

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500 800 l h aquarium - l/h,

500 800 l h aquarium - l/h,

£26.99 · Buy It Now

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Series external aquarium - series,

Series external aquarium - series,

£24.99 · Buy It Now

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Aqua one ocellaris 400 - ocellaris,

Aqua one ocellaris 400 - ocellaris,

£41.99 · Buy It Now

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Compatible fluval 180g ammonia - 180g,

Compatible fluval 180g ammonia - 180g,

£22.99 · Buy It Now

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Mini aquarium hang - hang, filter

Mini aquarium hang - hang, filter

£7.99 · 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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Small aquarium filter - hang, on

Small aquarium filter - hang, on

£10.95 · Buy It Now

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Arcadia polyfilter pad - arcadia,

Arcadia polyfilter pad - arcadia,

£14.35 · Buy It Now

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Eheim professionel 250 - professionel,

Eheim professionel 250 - professionel,

£167.09 · Buy It Now

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Spare replacement head all - replacement,

Spare replacement head all - replacement,

£32.99 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£19.36 · Buy It Now

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Betta 400 external - betta, canister

Betta 400 external - betta, canister

£66.55 · Buy It Now

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Sunsun 3000l external - 3000l/h,

Sunsun 3000l external - 3000l/h,

£164.00 · Buy It Now

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Seachem sicce tidal hang - seachem,

Seachem sicce tidal hang - seachem,

£52.99 · Buy It Now

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Filter floss wool - filter,

Filter floss wool - filter,

£43.49 · Buy It Now

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Sunsun 3000l external - sunsun,

Sunsun 3000l external - sunsun,

£163.97 · Buy It Now

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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£79.90 · Buy It Now

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Fluval activated carbon - activated, 800g

Fluval activated carbon - activated, 800g

£14.45 · Buy It Now

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Fluval aquarium fish tank - fluval,

Fluval aquarium fish tank - fluval,

£22.99 · Buy It Now

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Cristalprofi filter - cristalprofi,

Cristalprofi filter - cristalprofi,

£52.70 · Buy It Now

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Fluval 207 external - external, +

Fluval 207 external - external, +

£104.70 · Buy It Now

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Aquamanta efx 1000u - aquamanta,

Aquamanta efx 1000u - aquamanta,

£26.70 · Buy It Now

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1400ef external canister - external,

1400ef external canister - external,

£47.50 · Buy It Now

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Oase filtosmart external - oase,

Oase filtosmart external - oase,

£33.97 · Buy It Now

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Replacement impeller ceramic - impeller,

Replacement impeller ceramic - impeller,

£9.29 · Buy It Now

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2000ef external canister - 2000ef,

2000ef external canister - 2000ef,

£63.10 · Buy It Now

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Hidom external aquarium hang - external,

Hidom external aquarium hang - external,

£6.95 · Buy It Now

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Aquarium fish tank external

Aquarium fish tank external

£84.99 · Buy It Now

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Replacement ceramic shaft - replacement,

Replacement ceramic shaft - replacement,

£5.99 · Buy It Now

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Betta canister filter - betta,

Betta canister filter - betta,

£199.99 · Buy It Now

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Genuine eheim parts aquarium - genuine,

Genuine eheim parts aquarium - genuine,

£7.49 · Buy It Now

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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£40.99 · Buy It Now

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External aquarium canister - external,

External aquarium canister - external,

£30.00 · Buy It Now

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Fluval external filter media - external,

Fluval external filter media - external,

£53.99 · Buy It Now

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Sunsun ybf 500 aquarium fish - sunsun-ybf,

Sunsun ybf 500 aquarium fish - sunsun-ybf,

£59.99 · Buy It Now

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Fluval external filter 107 - fluval,

Fluval external filter 107 - fluval,

£124.99 · Buy It Now

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Jbl cristalprofi e902 - cristalprofi,

Jbl cristalprofi e902 - cristalprofi,

£128.09 · Buy It Now

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📊96 listings · from £4.99 · avg £64.19

Browse 96 external filter listings currently in our index. Prices range from £4.99 to £365, with an average of £64.19. 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 filter →

Try this: external fish tank filter | fluval 205 | fluval 306 | fluval 403 | fluval 406 external filter | fluval external filter | fluval fx6 filter | ford escort rs2000 cars | fx3 taxi | harley davidson v rod custom

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Everything you need to know about external filter

Whether you are looking for a brand-new or second-hand external 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 £4.99, while premium listings can reach £365 — giving you a wide budget spread to work with. The average price of £64.19 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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