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Koi filter

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Koi filter for sale on largest auction and classifieds sites

Home / Miscellaneous Electronics / Koi filter refurbished & used for sale | For Sale UK
Koi bio media black white - koi,

Koi bio media black white - koi,

£104.70
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Eazypod mesh filter insert - filter,

Eazypod mesh filter insert - filter,

£39.00
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Pond dechlorinator water - pond,

Pond dechlorinator water - pond,

£24.90
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Stage hma high - stage, water

Stage hma high - stage, water

£56.04
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Auto cleaning pressurised - cleaning,

Auto cleaning pressurised - cleaning,

£349.99
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Kockney koi black box filter - black,

Kockney koi black box filter - black,

£62.99
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Pressurised koi pond filter - pressurised,

Pressurised koi pond filter - pressurised,

£199.99
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Japanese matting high quality - japanese,

Japanese matting high quality - japanese,

£41.95
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Pressurised koi pond filter - pressurised,

Pressurised koi pond filter - pressurised,

£134.99
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Aquarium pond filter wool - pond,

Aquarium pond filter wool - pond,

£13.99
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Pond moving bed filter media - pond,

Pond moving bed filter media - pond,

£4.99
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Kockney koi mega - kockney, box

Kockney koi mega - kockney, box

£79.90
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Filter pump jebao - filter, friend

Filter pump jebao - filter, friend

£79.99
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Nexus centre sieve - centre, mesh

Nexus centre sieve - centre, mesh

£39.99
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Pond friend gravity filter - gravity,

Pond friend gravity filter - gravity,

£92.95
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Stage hma high flow - high,

Stage hma high flow - high,

£56.90
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Lotus green genie - uv, filter

Lotus green genie - uv, filter

£114.99
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Bermuda pond pressure filter - pond,

Bermuda pond pressure filter - pond,

£127.99
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Japanese matting jap - matting,

Japanese matting jap - matting,

£119.99
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Bermuda pond skimmer 3000 - bermuda,

Bermuda pond skimmer 3000 - bermuda,

£57.95
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Small fish pond water - fish, filter

Small fish pond water - fish, filter

£59.99
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Bakki shower trickle filter - shower,

Bakki shower trickle filter - shower,

£189.99
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Oase pontec multiclear filter - oase,

Oase pontec multiclear filter - oase,

£208.99
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Jebao fap pond filter pump - jebao,

Jebao fap pond filter pump - jebao,

£35.99
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50mm kockney koi - 50mm,

50mm kockney koi - 50mm,

£14.99
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Auto cleaning pressurised koi - auto,

Auto cleaning pressurised koi - auto,

£319.99
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Basic mega filter black box - basic,

Basic mega filter black box - basic,

£64.04
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110mm threaded tank - 4“/110mm,

110mm threaded tank - 4“/110mm,

£16.99
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Eazypod mesh filter insert - mesh, 40

Eazypod mesh filter insert - mesh, 40

£39.00
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Jebao pond clarifier - jebao,

Jebao pond clarifier - jebao,

£39.95
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Kockney koi yamitsu small fish - small,

Kockney koi yamitsu small fish - small,

£59.95
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Evolution aqua pond - aqua, pure

Evolution aqua pond - aqua, pure

£14.95
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Oase biosmart pond - oase,

Oase biosmart pond - oase,

£199.49
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Set kockney koi foam - koi, sponge

Set kockney koi foam - koi, sponge

£9.99
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Oase aquamax eco premium - aquamax,

Oase aquamax eco premium - aquamax,

£435.00
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Hozelock ecocel garden pond - hozelock,

Hozelock ecocel garden pond - hozelock,

£121.95
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Pressurised pond filter - pressurised,

Pressurised pond filter - pressurised,

£7.99
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New hozelock ecopower pond - new,

New hozelock ecopower pond - new,

£129.95
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Koi pond filter uv - pond,

Koi pond filter uv - pond,

£74.99
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Swell pressurised pond - uk,

Swell pressurised pond - uk,

£191.89
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Koi pond water - koi,

Koi pond water - koi,

£28.97
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Filter media pond moving - filter,

Filter media pond moving - filter,

£10.79
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Evolution aqua tempest - evolution,

Evolution aqua tempest - evolution,

£299.95
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Diamond cut filter grids - 4,

Diamond cut filter grids - 4,

£149.99
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Aquaforte compact sieve pump - aquaforte,

Aquaforte compact sieve pump - aquaforte,

£329.01
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Koi pond water filter - water,

Koi pond water filter - water,

£25.99
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Cbf range pond filter foams - range,

Cbf range pond filter foams - range,

£8.49
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Bakki shower trickle sieve - bakki, shower/trickle/sieve

Bakki shower trickle sieve - bakki, shower/trickle/sieve

£125.49
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Pondxpert spinclean pond - spinclean,

Pondxpert spinclean pond - spinclean,

£169.99
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Hozelock ecocel pond filter - ecocel,

Hozelock ecocel pond filter - ecocel,

£124.99
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Fish mate pond filter - pond, pumps

Fish mate pond filter - pond, pumps

£151.95
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Filter floss wool - foam, media

Filter floss wool - foam, media

£9.89
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Evolution aqua eazypod filter - evolution,

Evolution aqua eazypod filter - evolution,

£499.95
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Small clear drum - clear, microfilter

Small clear drum - clear, microfilter

£169.99
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Lotus oasis clearpond - oasis,

Lotus oasis clearpond - oasis,

£419.99
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Garden auto cleaning - auto,

Garden auto cleaning - auto,

£449.99
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Evolution aqua media 50 - aqua, k1

Evolution aqua media 50 - aqua, k1

£63.95
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Pump pre filter - pre-filter, fish

Pump pre filter - pre-filter, fish

£34.99
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Nexus eazy pod evolution - nexus, pod-evolution

Nexus eazy pod evolution - nexus, pod-evolution

£499.95
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Bakki shower filter pond - shower,

Bakki shower filter pond - shower,

£230.00
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Fish mate pressurised filter - fish,

Fish mate pressurised filter - fish,

£178.99
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Kockney koi yamitsu - kockney, pond

Kockney koi yamitsu - kockney, pond

£79.99
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Oyster shells 2kg - shells, balance

Oyster shells 2kg - shells, balance

£2.50
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Garden aqua eco pond - aqua,

Garden aqua eco pond - aqua,

£129.99
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Oase biosmart koi - koi, filter

Oase biosmart koi - koi, filter

£719.62
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Swell pressure filter - uk,

Swell pressure filter - uk,

£153.99
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High flow koi pond - high,

High flow koi pond - high,

£27.95
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Koi pond water filter for - pond,

Koi pond water filter for - pond,

£22.90
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Bermuda pond skimmer 3000 lph - pond,

Bermuda pond skimmer 3000 lph - pond,

£58.99
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Jebao submersible pond pump - submersible,

Jebao submersible pond pump - submersible,

£42.95
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Aquati stage hma - hma, flow

Aquati stage hma - hma, flow

£16.95
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Fish mate bio - fish, 5000

Fish mate bio - fish, 5000

£34.95
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Hozelock ecopower pond filter - hozelock,

Hozelock ecopower pond filter - hozelock,

£179.95
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Bermuda pond filter pump - bermuda,

Bermuda pond filter pump - bermuda,

£124.99
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800 micron mesh - micron, pond

800 micron mesh - micron, pond

£7.99
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Evolution aqua detox - aqua,

Evolution aqua detox - aqua,

£124.95
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Fish mate pbio - pbio, 15000l

Fish mate pbio - pbio, 15000l

£105.45
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Blagdon minipond midipond - minipond,

Blagdon minipond midipond - minipond,

£204.99
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Aquarium pond filter wool - aquarium,

Aquarium pond filter wool - aquarium,

£10.49
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Evolution aqua pond surge - evolution,

Evolution aqua pond surge - evolution,

£418.95
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Oase biosmart 36000 koi fish - 36000,

Oase biosmart 36000 koi fish - 36000,

£719.62
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Kockney koi fish pond pre - kockney,

Kockney koi fish pond pre - kockney,

£8.99
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Evolution aqua filter - evolution, k1

Evolution aqua filter - evolution, k1

£7.49
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Kockney koi pond - koi, filter

Kockney koi pond - koi, filter

£24.95
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Aquaforte compact sieve koi - aquaforte,

Aquaforte compact sieve koi - aquaforte,

£342.33
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Weighted suction dome - weighted,

Weighted suction dome - weighted,

£89.99
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Black knight filter - 16,

Black knight filter - 16,

£19.99
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Evolution aqua eazy pod - evolution,

Evolution aqua eazy pod - evolution,

£699.95
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Bakki shower filter 800mm - bakki,

Bakki shower filter 800mm - bakki,

£500.00
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Aquarium pond filter wool - aquarium,

Aquarium pond filter wool - aquarium,

£9.99
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Kockney koi yamitsu mega - kockney,

Kockney koi yamitsu mega - kockney,

£168.99
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Evolution aqua detox - aqua,

Evolution aqua detox - aqua,

£124.95
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Pondh2o filter black - black, pond

Pondh2o filter black - black, pond

£14.95
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Kockney koi yamitsu filter - koi,

Kockney koi yamitsu filter - koi,

£12.99
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Swell pressurised pond filter - swell,

Swell pressurised pond filter - swell,

£112.99
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Koi forge mediashield - mediashield, 2"

Koi forge mediashield - mediashield, 2"

£20.00
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📊96 listings · from £2.5 · avg £139.27

Browse 96 koi filter listings currently in our index. Prices range from £2.5 to £719.62, with an average of £139.27. 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 koi filter →

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Everything you need to know about koi filter

Whether you are looking for a brand-new or second-hand koi 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 £2.5, while premium listings can reach £719.62 — giving you a wide budget spread to work with. The average price of £139.27 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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