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Koi garden pond filter uv - koi, +

Koi garden pond filter uv - koi, +

£59.99
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Pressurised koi pond - koi, filter

Pressurised koi pond - koi, filter

£199.99
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Filter pump jebao - filter, pond

Filter pump jebao - filter, pond

£79.99
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Japanese matting jap mat pond - matting,

Japanese matting jap mat pond - matting,

£9.99
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Bakki shower trickle filter - bakki,

Bakki shower trickle filter - bakki,

£185.00
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Auto cleaning pressurised koi - cleaning,

Auto cleaning pressurised koi - cleaning,

£249.99
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Bakki shower trickle filter - shower,

Bakki shower trickle filter - shower,

£189.99
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Black flexible pond hose - flexible,

Black flexible pond hose - flexible,

£49.99
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Garden aqua eco - pond, pump

Garden aqua eco - pond, pump

£109.99
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Pond moving bed filter - bed,

Pond moving bed filter - bed,

£64.99
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Kockney koi black box filter - box,

Kockney koi black box filter - box,

£62.99
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Koi pond filter - pond, +

Koi pond filter - pond, +

£129.99
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Jebao cbf pressure pond - jebao,

Jebao cbf pressure pond - jebao,

£134.95
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50cm koi pond filter - 30/40/50cm,

50cm koi pond filter - 30/40/50cm,

£33.99
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Pond aquarium uv light - pond, /

Pond aquarium uv light - pond, /

£39.99
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Koi pond water filter - koi,

Koi pond water filter - koi,

£23.00
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Kockney koi yamitsu - kockney, /

Kockney koi yamitsu - kockney, /

£12.99
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Aquarium pond filter wool - filter,

Aquarium pond filter wool - filter,

£79.99
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Fish mate 15000l puv - fish,

Fish mate 15000l puv - fish,

£99.99
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Allpondsolutions 6000l koi - allpondsolutions,

Allpondsolutions 6000l koi - allpondsolutions,

£89.99
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Pressurised koi pond - pond, filter

Pressurised koi pond - pond, filter

£294.99
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Low noise pond air pump - noise,

Low noise pond air pump - noise,

£389.99
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Garden auto cleaning - garden,

Garden auto cleaning - garden,

£319.99
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Cbf range pond filter foams - cbf,

Cbf range pond filter foams - cbf,

£8.49
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Small fish pond water filter - small,

Small fish pond water filter - small,

£59.99
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Black flexible pond - flexible,

Black flexible pond - flexible,

£111.38
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Pond pump - filter, sets

Pond pump - filter, sets

£429.99
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Kockney koi 5000v - koi,

Kockney koi 5000v - koi,

£260.70
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Complete koi fish box - box, filter

Complete koi fish box - box, filter

£197.99
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Submersible pond pump - submersible,

Submersible pond pump - submersible,

£115.99
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Jebao pond filter pf10e koi - pond,

Jebao pond filter pf10e koi - pond,

£79.95
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Stage hma high - hma, water

Stage hma high - hma, water

£56.63
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Kockney koi 5000v - kockney,

Kockney koi 5000v - kockney,

£276.30
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Bermuda pond filter pump - bermuda,

Bermuda pond filter pump - bermuda,

£116.40
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Oase pontec multiclear - oase,

Oase pontec multiclear - oase,

£119.99
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Koi garden pond light - koi,

Koi garden pond light - koi,

£49.99
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Large vortex chambers for - large,

Large vortex chambers for - large,

£156.70
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Pressurised pond filter - pond,

Pressurised pond filter - pond,

£7.99
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Evolution aqua eazypod - evolution,

Evolution aqua eazypod - evolution,

£499.95
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Swell pressure filter - uk,

Swell pressure filter - uk,

£172.99
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800 micron mesh short pond - micron,

800 micron mesh short pond - micron,

£7.99
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Hozelock aquaforce pond filter - hozelock,

Hozelock aquaforce pond filter - hozelock,

£194.00
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Hozelock ecocel pond filter - pond,

Hozelock ecocel pond filter - pond,

£86.99
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Set kockney koi foam - kockney, sponge

Set kockney koi foam - kockney, sponge

£9.99
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Jebao xoe pond - xoe, pump

Jebao xoe pond - xoe, pump

£119.95
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Swell pond filter box - filter, kit

Swell pond filter box - filter, kit

£122.99
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Allpondsolutions aqua eco pond - allpondsolutions,

Allpondsolutions aqua eco pond - allpondsolutions,

£109.99
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Aquarium pond filter - aquarium,

Aquarium pond filter - aquarium,

£3.36
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Jebo low noise pond air - low, pump

Jebo low noise pond air - low, pump

£109.99
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000l varipump high - varipump,

000l varipump high - varipump,

£175.00
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Square cut filter - square, egg

Square cut filter - square, egg

£149.99
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Filter matt japanese media - filter,

Filter matt japanese media - filter,

£8.95
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Garden fountain eco - eco, pump

Garden fountain eco - eco, pump

£24.99
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Koi carp pond sock filter - 'koi,

Koi carp pond sock filter - 'koi,

£7.99
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Labs pond mature - nt, live

Labs pond mature - nt, live

£13.95
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Bakki shower trickle sieve - bakki, shower/trickle/sieve

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

£170.21
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Oase biosmart koi - koi, filter

Oase biosmart koi - koi, filter

£504.44
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Kockney koi mega black box - kockney,

Kockney koi mega black box - kockney,

£79.90
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Nexus centre sieve mesh - nexus,

Nexus centre sieve mesh - nexus,

£39.99
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Black knight filter - filter, brushes

Black knight filter - filter, brushes

£14.95
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Allpondsolutions 12000l koi - allpondsolutions,

Allpondsolutions 12000l koi - allpondsolutions,

£179.99
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Pondxpert filtobox pond - pondxpert,

Pondxpert filtobox pond - pondxpert,

£199.99
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Fish mate bio 5000 - fish, g-bio

Fish mate bio 5000 - fish, g-bio

£35.49
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Koi pond dechlorinator - pond, water

Koi pond dechlorinator - pond, water

£29.99
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Evolution aqua pond - aqua,

Evolution aqua pond - aqua,

£418.95
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Aquati stage hma high - aquati,

Aquati stage hma high - aquati,

£16.95
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Bermuda pond skimmer - bermuda,

Bermuda pond skimmer - bermuda,

£58.99
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Garden koi pond dual box - koi,

Garden koi pond dual box - koi,

£179.99
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Fish mate pressurised - mate,

Fish mate pressurised - mate,

£152.95
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Hozelock ecocel ecopower - ecocel,

Hozelock ecocel ecopower - ecocel,

£24.95
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Alfagrog e25 ceramic - alfagrog,

Alfagrog e25 ceramic - alfagrog,

£6.99
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Evolution aqua varipump koi - aqua, varipump-koi

Evolution aqua varipump koi - aqua, varipump-koi

£424.95
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Koi fish ponds - 2x,

Koi fish ponds - 2x,

£11.95
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1000g zeolite ammonia - zeolite,

1000g zeolite ammonia - zeolite,

£8.99
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Oase filtral all one uvc - oase,

Oase filtral all one uvc - oase,

£149.99
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Bermuda pond pressure - pond,

Bermuda pond pressure - pond,

£124.99
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New hozelock ecopower - new,

New hozelock ecopower - new,

£179.95
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Stage hma koi ponds - stage,

Stage hma koi ponds - stage,

£10.25
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Kockney koi kk1000 filter - kockney,

Kockney koi kk1000 filter - kockney,

£8.50
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50mm kockney koi pre - 50mm,

50mm kockney koi pre - 50mm,

£14.99
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400 micron mesh long - micron,

400 micron mesh long - micron,

£10.99
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Blow air pump - ,

Blow air pump - ,

£129.90
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Kockney koi yamitsu - mega, black

Kockney koi yamitsu - mega, black

£169.99
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Evolution aqua eazypod filter - evolution,

Evolution aqua eazypod filter - evolution,

£499.95
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Evolution aqua media 50 - aqua,

Evolution aqua media 50 - aqua,

£63.95
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Kockney koi undergravel filter - koi,

Kockney koi undergravel filter - koi,

£12.99
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Auto cleaning pressurised - cleaning,

Auto cleaning pressurised - cleaning,

£199.99
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Alfagrog pond biological - alfagrog,

Alfagrog pond biological - alfagrog,

£34.95
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Kockney koi pond drilled - pond, foam

Kockney koi pond drilled - pond, foam

£3.99
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Pond filter brushes garden koi - pond,

Pond filter brushes garden koi - pond,

£8.99
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Kockney koi pond filter - koi,

Kockney koi pond filter - koi,

£8.95
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Evolution aqua tempest - evolution,

Evolution aqua tempest - evolution,

£299.95
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Pond one claritec - claritec, 10000uv

Pond one claritec - claritec, 10000uv

£139.99
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000 varipump high - 20,000,

000 varipump high - 20,000,

£252.98
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Stage hma high flow water - 3,

Stage hma high flow water - 3,

£56.63
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Jebao pond friend pump - pond,

Jebao pond friend pump - pond,

£84.99
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📊96 listings · from £3.36 · avg £123.01

Browse 96 koi filter listings currently in our index. Prices range from £3.36 to £504.44, with an average of £123.01. 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 £3.36, while premium listings can reach £504.44 — giving you a wide budget spread to work with. The average price of £123.01 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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