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External fish tank filter

4

External fish tank filter for sale on largest auction and classifieds sites

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Aquarium fish tank - fish, external

Aquarium fish tank - fish, external

£34.99
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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£64.99
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400l canister filter - filter, set

400l canister filter - filter, set

£34.98
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External aquarium canister - external,

External aquarium canister - external,

£59.99
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Hidom external aquarium filter - hidom,

Hidom external aquarium filter - hidom,

£59.95
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Allpondsolutions 250 - allpondsolutions, ef-250

Allpondsolutions 250 - allpondsolutions, ef-250

£42.99
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Aquarium fish tank external

Aquarium fish tank external

£64.99
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Superfish eco flow 240 - eco-flow,

Superfish eco flow 240 - eco-flow,

£78.70
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£109.99
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Fish tank allpondsolutions - tank,

Fish tank allpondsolutions - tank,

£29.99
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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£84.99
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400l canister pump - canister,

400l canister pump - canister,

£34.98
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Fish tank allpondsolutions - fish,

Fish tank allpondsolutions - fish,

£29.99
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Aquarium fish tank - aquarium, external

Aquarium fish tank - aquarium, external

£59.99
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Canister pump filter set - canister,

Canister pump filter set - canister,

£34.98
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Aquarium fish tank - , external

Aquarium fish tank - , external

£99.99
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Swell aquarium external filter - swell,

Swell aquarium external filter - swell,

£45.99
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External canister filter - external,

External canister filter - external,

£24.99
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Aqua one ocellaris - one, external

Aqua one ocellaris - one, external

£119.99
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Hang external filter - hang,

Hang external filter - hang,

£13.99
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Fish tank aquarium - aquarium,

Fish tank aquarium - aquarium,

£8.99
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Hidom hang back filter - hang,

Hidom hang back filter - hang,

£5.99
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Fluval 107 207 307 - 407, fx

Fluval 107 207 307 - 407, fx

£216.99
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Aquarium external canister - external,

Aquarium external canister - external,

£62.95
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Fish tank aquarium - fish,

Fish tank aquarium - fish,

£8.99
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Oase filtosmart thermo - oase,

Oase filtosmart thermo - oase,

£91.95
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External aquarium fish tank - external,

External aquarium fish tank - external,

£19.99
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Sponge filter aquarium bio - filter,

Sponge filter aquarium bio - filter,

£9.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£32.98
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Sunsun 3000l external - sunsun, 3000l/h

Sunsun 3000l external - sunsun, 3000l/h

£159.69
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Jebao external aquarium - jebao,

Jebao external aquarium - jebao,

£54.95
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Canister pump filter full set - filter,

Canister pump filter full set - filter,

£34.98
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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£79.90
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Superfish hang filter 50 - superfish, hang-on

Superfish hang filter 50 - superfish, hang-on

£18.90
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400l canister pump filter - canister,

400l canister pump filter - canister,

£33.97
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Aquael hypermax 4500 with - 4500,

Aquael hypermax 4500 with - 4500,

£384.95
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Fluval 207 external filter - fluval,

Fluval 207 external filter - fluval,

£73.49
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Jbl symec external fish - symec,

Jbl symec external fish - symec,

£6.30
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£40.99
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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£34.98
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Seachem tidal hang - hang-on, power

Seachem tidal hang - hang-on, power

£39.99
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Jebao external aquarium fish - aquarium,

Jebao external aquarium fish - aquarium,

£59.99
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Cristalprofi e901 greenline - ,

Cristalprofi e901 greenline - ,

£47.50
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Filter floss wool - floss, media

Filter floss wool - floss, media

£10.99
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Canister eden 501 - 501, (oase

Canister eden 501 - 501, (oase

£31.99
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Aquarium fish tank - hang, on

Aquarium fish tank - hang, on

£28.99
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Filter floss wool foam media - floss,

Filter floss wool foam media - floss,

£8.99
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Aquarium external fish - aquarium,

Aquarium external fish - aquarium,

£15.89
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£94.99
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500 800 l - 800, aquarium

500 800 l - 800, aquarium

£26.99
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Filter media aquarium - filter,

Filter media aquarium - filter,

£68.03
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Oase filtosmart external - oase,

Oase filtosmart external - oase,

£74.95
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Aquarium fish tank - , external

Aquarium fish tank - , external

£74.98
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Sunsun ybf 500 aquarium fish - sunsun-ybf,

Sunsun ybf 500 aquarium fish - sunsun-ybf,

£59.99
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Aquarium fish tank - fish,

Aquarium fish tank - fish,

£8.99
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Replacement aquarium external - replacement,

Replacement aquarium external - replacement,

£11.99
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Fish tank 1400l aquarium - fish,

Fish tank 1400l aquarium - fish,

£84.99
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Foam inlet strainer - inlet,

Foam inlet strainer - inlet,

£6.99
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Compatible fluval 100g carbon - compatible,

Compatible fluval 100g carbon - compatible,

£22.99
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Aquarium fish tank - tank, external

Aquarium fish tank - tank, external

£98.99
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Oase biomaster external - oase,

Oase biomaster external - oase,

£219.95
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External aquarium fish tank - external,

External aquarium fish tank - external,

£16.99
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Jebao external aquarium filter - external,

Jebao external aquarium filter - external,

£69.95
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Fluval 107 external canister - 107,

Fluval 107 external canister - 107,

£89.10
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£38.49
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Aquarium fish tank - , external

Aquarium fish tank - , external

£84.99
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Mini aquarium hang - aquarium,

Mini aquarium hang - aquarium,

£7.99
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Fluval 207 external power - 207,

Fluval 207 external power - 207,

£124.99
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Oase biomaster external - oase, 2

Oase biomaster external - oase, 2

£287.95
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Aquarium fish tank impeller - fish,

Aquarium fish tank impeller - fish,

£8.79
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Aquarium fish tank external - aquarium,

Aquarium fish tank external - aquarium,

£74.99
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Betta choice external canister - choice,

Betta choice external canister - choice,

£68.99
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Allpondsolutions external - allpondsolutions,

Allpondsolutions external - allpondsolutions,

£14.99
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Fluval fx4 canister filter - fx4,

Fluval fx4 canister filter - fx4,

£146.30
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Eheim ecco pro 200 - 200,

Eheim ecco pro 200 - 200,

£64.99
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Fluval fx6 external canister - fx6,

Fluval fx6 external canister - fx6,

£305.99
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Fluval external filter media - fluval,

Fluval external filter media - fluval,

£53.99
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Aquarium fish tank - aquarium,

Aquarium fish tank - aquarium,

£38.49
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Fluval external filter - , 107

Fluval external filter - , 107

£109.99
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External heater thermostat - thermostat, for

External heater thermostat - thermostat, for

£34.99
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Fluval fx4 external canister - fluval,

Fluval fx4 external canister - fluval,

£247.99
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Oase filtosmart thermo - oase,

Oase filtosmart thermo - oase,

£90.69
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Fluval external filter 107 207 - 107,

Fluval external filter 107 207 - 107,

£109.99
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Fish tank allpondsolutions - fish,

Fish tank allpondsolutions - fish,

£14.99
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Aquarium fish tank external - fish,

Aquarium fish tank external - fish,

£55.00
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Fluval 307 external filter - fluval,

Fluval 307 external filter - fluval,

£159.99
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Fluval 103 external aquarium - fluval,

Fluval 103 external aquarium - fluval,

£30.00
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Oase filtosmart 100 200 - oase,

Oase filtosmart 100 200 - oase,

£106.95
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Evolution aqua micro - aqua,

Evolution aqua micro - aqua,

£118.95
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Fluval 107 207 307 - , 407

Fluval 107 207 307 - , 407

£109.99
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Oase indoor filtosmart - oase,

Oase indoor filtosmart - oase,

£74.69
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Fluval 307 external - 307,

Fluval 307 external - 307,

£159.99
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Aqua one ocellaris - aqua, 1400

Aqua one ocellaris - aqua, 1400

£129.99
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External aquarium canister - external,

External aquarium canister - external,

£74.99
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Jbl cristalprofi e402 - jbl,

Jbl cristalprofi e402 - jbl,

£97.69
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📊95 listings · from £5.99 · avg £71.97
⚠️ These listings were last updated more than 21 days ago. Search for fresh listings

Browse 95 external fish tank filter listings currently in our index. Prices range from £5.99 to £384.95, with an average of £71.97. 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 fish tank filter →

Try this: fluval 205 | fluval 306 | fluval 403 | fluval 405 | fluval 406 | fluval 406 external filter | fluval external filter | fluval fx6 filter | fx6 filter | hilti battery tools

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Everything you need to know about external fish tank filter

Whether you are looking for a brand-new or second-hand external fish tank filter, 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 £5.99, while premium listings can reach £384.95 — giving you a wide budget spread to work with. The average price of £71.97 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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