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Koi garden pond filter uv - pond, +

Koi garden pond filter uv - pond, +

£59.99
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Pressurised koi pond filter - koi, uv

Pressurised koi pond filter - koi, uv

£199.99
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Filter pump jebao pond friend - filter,

Filter pump jebao pond friend - filter,

£79.99
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Japanese matting jap mat pond - japanese,

Japanese matting jap mat pond - japanese,

£9.99
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Bakki shower trickle filter - shower,

Bakki shower trickle filter - shower,

£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 - trickle,

Bakki shower trickle filter - trickle,

£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 - aqua, low

Garden aqua eco pond - aqua, low

£109.99
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Pond moving bed filter media - filter,

Pond moving bed filter media - filter,

£64.99
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Kockney koi black - koi,

Kockney koi black - koi,

£62.99
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Koi pond filter - +, uv

Koi pond filter - +, uv

£129.99
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Jebao cbf pressure - pond, filter

Jebao cbf pressure - pond, filter

£134.95
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50cm koi pond filter - pond,

50cm koi pond filter - pond,

£33.99
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Pond aquarium uv light - aquarium,

Pond aquarium uv light - aquarium,

£39.99
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Koi pond water filter - for, fish

Koi pond water filter - for, fish

£23.00
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Kockney koi yamitsu - kockney,

Kockney koi yamitsu - kockney,

£12.99
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Aquarium pond filter wool - pond,

Aquarium pond filter wool - pond,

£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 - 6000l,

Allpondsolutions 6000l koi - 6000l,

£89.99
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Pressurised koi pond - pressurised, filter

Pressurised koi pond - pressurised, filter

£294.99
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Low noise pond - noise, air

Low noise pond - noise, air

£389.99
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Garden auto cleaning - auto,

Garden auto cleaning - auto,

£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 - pond,

Small fish pond water - pond,

£59.99
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Black flexible pond hose - black,

Black flexible pond hose - black,

£111.38
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Pond pump filter sets - pump,

Pond pump filter sets - pump,

£429.99
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Kockney koi 5000v pond filter - koi,

Kockney koi 5000v pond filter - koi,

£260.70
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Complete koi fish box filter - fish,

Complete koi fish box filter - fish,

£197.99
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Submersible pond pump - pond,

Submersible pond pump - pond,

£115.99
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Jebao pond filter - pond, koi

Jebao pond filter - pond, koi

£79.95
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Stage hma high flow water - hma,

Stage hma high flow water - hma,

£56.63
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Kockney koi 5000v pond - kockney, filter

Kockney koi 5000v pond - kockney, filter

£276.30
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Bermuda pond filter pump - filter,, &

Bermuda pond filter pump - filter,, &

£116.40
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Oase pontec multiclear filter - multiclear,

Oase pontec multiclear filter - multiclear,

£119.99
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Koi garden pond light - uv,

Koi garden pond light - uv,

£49.99
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Large vortex chambers - large,

Large vortex chambers - large,

£156.70
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Pressurised pond filter - pond,

Pressurised pond filter - pond,

£7.99
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Evolution aqua eazypod - eazypod,

Evolution aqua eazypod - eazypod,

£499.95
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Swell pressure filter - swell, uk

Swell pressure filter - swell, 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 - ecocel,

Hozelock ecocel pond - ecocel,

£86.99
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Set kockney koi - koi, sponge

Set kockney koi - koi, sponge

£9.99
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Jebao xoe pond pump - xoe,

Jebao xoe pond pump - xoe,

£119.95
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Swell pond filter - swell, kit

Swell pond filter - swell, kit

£122.99
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Allpondsolutions aqua eco pond - aqua,

Allpondsolutions aqua eco pond - aqua,

£109.99
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Aquarium pond filter - aquarium,

Aquarium pond filter - aquarium,

£3.36
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Jebo low noise pond - pond, pump

Jebo low noise pond - pond, pump

£109.99
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000l varipump high - 20,000l,

000l varipump high - 20,000l,

£175.00
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Square cut filter - grids, egg

Square cut filter - grids, egg

£149.99
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Filter matt japanese media - matt,

Filter matt japanese media - matt,

£8.95
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Garden fountain eco - fountain, pond

Garden fountain eco - fountain, pond

£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 live - pond,

Labs pond mature live - pond,

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

Bakki shower trickle - bakki, shower/trickle/sieve

£170.21
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Oase biosmart koi pond filter - oase,

Oase biosmart koi pond filter - oase,

£504.44
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Kockney koi mega - kockney,

Kockney koi mega - kockney,

£79.90
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Nexus centre sieve mesh - ~,

Nexus centre sieve mesh - ~,

£39.99
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Black knight filter brushes - 4",

Black knight filter brushes - 4",

£14.95
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Allpondsolutions 12000l koi - 12000l,

Allpondsolutions 12000l koi - 12000l,

£179.99
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Pondxpert filtobox pond - pondxpert,

Pondxpert filtobox pond - pondxpert,

£199.99
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Fish mate bio 5000 - g-bio,

Fish mate bio 5000 - g-bio,

£35.49
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Koi pond dechlorinator water - koi,

Koi pond dechlorinator water - koi,

£29.99
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Evolution aqua pond surge - evolution,

Evolution aqua pond surge - evolution,

£418.95
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Aquati stage hma high - high, flow

Aquati stage hma high - high, flow

£16.95
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Bermuda pond skimmer - bermuda, lph

Bermuda pond skimmer - bermuda, lph

£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, filter

Fish mate pressurised - mate, filter

£152.95
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Hozelock ecocel ecopower - ecocel,

Hozelock ecocel ecopower - ecocel,

£24.95
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Alfagrog e25 ceramic media - e25,

Alfagrog e25 ceramic media - e25,

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

Evolution aqua varipump koi - evolution, 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 - in, uvc

Oase filtral all one - in, uvc

£149.99
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Bermuda pond pressure filter - bermuda,

Bermuda pond pressure filter - bermuda,

£124.99
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New hozelock ecopower - ecopower, pond

New hozelock ecopower - ecopower, pond

£179.95
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Stage hma koi - stage, ponds

Stage hma koi - stage, ponds

£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 filter - 50mm,

50mm kockney koi pre filter - 50mm,

£14.99
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400 micron mesh long - micron, pond

400 micron mesh long - micron, pond

£10.99
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Blow air pump aqua eco - eco, 65

Blow air pump aqua eco - eco, 65

£129.90
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Kockney koi yamitsu mega - kockney,

Kockney koi yamitsu mega - kockney,

£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 - evolution, 50

Evolution aqua media - evolution, 50

£63.95
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Kockney koi undergravel - koi,

Kockney koi undergravel - koi,

£12.99
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Auto cleaning pressurised koi - cleaning,

Auto cleaning pressurised koi - cleaning,

£199.99
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Alfagrog pond biological - alfagrog,

Alfagrog pond biological - alfagrog,

£34.95
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Kockney koi pond - pond, drilled

Kockney koi pond - pond, drilled

£3.99
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Pond filter brushes garden - filter, koi

Pond filter brushes garden - filter, koi

£8.99
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Kockney koi pond filter mat - koi,

Kockney koi pond filter mat - koi,

£8.95
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Evolution aqua tempest - evolution, v2

Evolution aqua tempest - evolution, v2

£299.95
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Pond one claritec 10000uv - pond,

Pond one claritec 10000uv - pond,

£139.99
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000 varipump high - l/h,

000 varipump high - l/h,

£252.98
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Stage hma high flow - 3,

Stage hma high flow - 3,

£56.63
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Jebao pond friend pump - jebao,

Jebao pond friend pump - jebao,

£84.99
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📊96 listings · from £3.36 · avg £123.01
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

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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