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Koi filter

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Koi filter for sale on largest auction and classifieds sites

Home / Garden Equipment / Koi filter for sale – 96 used, around £80 | For Sale UK
Evolution aqua cetus sieve - aqua,

Evolution aqua cetus sieve - aqua,

£291.90
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Stage hma high - stage, water

Stage hma high - stage, water

£56.04
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Pond dechlorinator water - pond,

Pond dechlorinator water - pond,

£24.90
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Stage hma high - high, water

Stage hma high - high, water

£56.90
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Bakki shower trickle filter - bakki,

Bakki shower trickle filter - bakki,

£185.00
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Auto cleaning pressurised koi - auto,

Auto cleaning pressurised koi - auto,

£259.99
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Pressurised koi pond - filter, uv

Pressurised koi pond - filter, uv

£169.99
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Kockney koi black - kockney, filter

Kockney koi black - kockney, filter

£62.99
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Koi garden pond filter uv - koi, +

Koi garden pond filter uv - koi, +

£49.99
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Labs pond mature live - nt,

Labs pond mature live - nt,

£13.95
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Small fish pond water filter - pond,

Small fish pond water filter - pond,

£59.99
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Bakki shower trickle filter - shower,

Bakki shower trickle filter - shower,

£189.99
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Pond koi filter media bio - media, cell

Pond koi filter media bio - media, cell

£18.99
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Complete koi fish - fish, filter

Complete koi fish - fish, filter

£197.99
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Garden koi pond dual - garden,

Garden koi pond dual - garden,

£179.99
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Jebao pond clarifier ultra - jebao,

Jebao pond clarifier ultra - jebao,

£39.95
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Pond pump submersible low - -,

Pond pump submersible low - -,

£89.99
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Pressurised koi fish pond - koi,

Pressurised koi fish pond - koi,

£201.99
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Garden auto cleaning - auto,

Garden auto cleaning - auto,

£159.99
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Bakki shower trickle sieve - bakki, shower/trickle/sieve

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

£146.29
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Kockney koi mega - kockney, box

Kockney koi mega - kockney, box

£79.90
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Pressurised koi pond filter - filter, uv

Pressurised koi pond filter - filter, uv

£199.99
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Set kockney koi foam - kockney,

Set kockney koi foam - kockney,

£9.99
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Automatic backwash rotary - rotary, drum

Automatic backwash rotary - rotary, drum

£558.88
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Filter pump jebao - filter, jebao/

Filter pump jebao - filter, jebao/

£79.99
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Koi pond water - pond, for

Koi pond water - pond, for

£25.95
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And water filter - water,

And water filter - water,

£14.99
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Pond moving bed filter media - pond,

Pond moving bed filter media - pond,

£11.99
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Swell pressurised pond filter - swell,

Swell pressurised pond filter - swell,

£112.99
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Eazypod mesh filter - eazypod, 60

Eazypod mesh filter - eazypod, 60

£39.00
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Koi pond filter - pond, +

Koi pond filter - pond, +

£74.99
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Koi pond water - koi, fish

Koi pond water - koi, fish

£29.20
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Oase biosmart koi pond - biosmart,

Oase biosmart koi pond - biosmart,

£279.29
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Aquaculture fish pond - fish,

Aquaculture fish pond - fish,

£489.99
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Blow air pump aqua eco - pump, 65

Blow air pump aqua eco - pump, 65

£145.90
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Kockney koi kk1000 - koi, filter

Kockney koi kk1000 - koi, filter

£16.99
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Allpondsolutions 12000l koi - 12000l,

Allpondsolutions 12000l koi - 12000l,

£179.99
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Valterra slide gate - gate, valve

Valterra slide gate - gate, valve

£56.90
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Eazypod pond filter insert koi - eazypod,

Eazypod pond filter insert koi - eazypod,

£50.00
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Jebao 16000 lph eco - lph, pump

Jebao 16000 lph eco - lph, pump

£117.99
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Japanese matting jap - matting, mat

Japanese matting jap - matting, mat

£119.99
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Evolution aqua eazypod - eazypod, auto

Evolution aqua eazypod - eazypod, auto

£789.95
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Aquati stage hma - aquati,

Aquati stage hma - aquati,

£16.95
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Cbf range pond filter - range,

Cbf range pond filter - range,

£8.49
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Kockney koi pond foam - foam, filter

Kockney koi pond foam - foam, filter

£8.95
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Bermuda pond pressure filter - bermuda,

Bermuda pond pressure filter - bermuda,

£127.99
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Automatic rotary drum - rotary,

Automatic rotary drum - rotary,

£538.88
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Evolution aqua media - evolution, k1

Evolution aqua media - evolution, k1

£63.95
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Aqua jet triple ring - aqua-jet,

Aqua jet triple ring - aqua-jet,

£49.99
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Pondxpert filtobox 6000 9w - pondxpert,

Pondxpert filtobox 6000 9w - pondxpert,

£83.90
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Oase biosmart pond filter - biosmart,

Oase biosmart pond filter - biosmart,

£598.49
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Auto cleaning pressurised - cleaning,

Auto cleaning pressurised - cleaning,

£159.99
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Large vortex chambers for koi - for,

Large vortex chambers for koi - for,

£156.70
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Pressurised pond filter - pressurised,

Pressurised pond filter - pressurised,

£7.99
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Alfagrog pond biological - alfagrog,

Alfagrog pond biological - alfagrog,

£6.95
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Koi pond dechlorinator water - dechlorinator,,

Koi pond dechlorinator water - dechlorinator,,

£29.99
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Aquarium pond filter wool - aquarium,

Aquarium pond filter wool - aquarium,

£13.99
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Lotus green genie filter - genie, uv

Lotus green genie filter - genie, uv

£114.99
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Kockney koi undergravel - kockney,

Kockney koi undergravel - kockney,

£14.99
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Kockney koi yamitsu mega pond - mega,

Kockney koi yamitsu mega pond - mega,

£79.98
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Pressurised koi fish - koi, pond

Pressurised koi fish - koi, pond

£223.99
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Evolution aqua detox - evolution,

Evolution aqua detox - evolution,

£124.95
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Nexus eazy pod evolution - eazy, pod-evolution

Nexus eazy pod evolution - eazy, pod-evolution

£499.95
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Pond pump filter sets - pump,

Pond pump filter sets - pump,

£429.99
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Filter media pond moving - filter, bed

Filter media pond moving - filter, bed

£10.79
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Basic mega filter - basic,

Basic mega filter - basic,

£64.04
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Aquati year replacement koi - aquati, 1

Aquati year replacement koi - aquati, 1

£29.95
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Diamond cut filter grids - diamond,

Diamond cut filter grids - diamond,

£94.99
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Garden auto cleaning koi - auto,

Garden auto cleaning koi - auto,

£269.99
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Kockney koi yamitsu - koi,

Kockney koi yamitsu - koi,

£79.99
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Hozelock ecocel pond - ecocel,

Hozelock ecocel pond - ecocel,

£124.99
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Pond koi garden replacement - koi,

Pond koi garden replacement - koi,

£14.99
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Kockney koi yamitsu filter - yamitsu,

Kockney koi yamitsu filter - yamitsu,

£12.99
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Fish mate pond - fish,

Fish mate pond - fish,

£151.95
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Hozelock ecopower pond filter - ecopower,

Hozelock ecopower pond filter - ecopower,

£149.99
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Kockney koi yamitsu - kockney, fish

Kockney koi yamitsu - kockney, fish

£59.95
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Oase pontec multiclear filter - oase,

Oase pontec multiclear filter - oase,

£109.45
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Bio plas ceramic bakki shower - ceramic,

Bio plas ceramic bakki shower - ceramic,

£95.00
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Oase aquamax eco premium - aquamax,

Oase aquamax eco premium - aquamax,

£399.00
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Stage hma high flow water - hma,

Stage hma high flow water - hma,

£16.95
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Pond koi garden 1500l - koi, 1500l/h

Pond koi garden 1500l - koi, 1500l/h

£20.99
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Fish mate pressurised filter - mate,

Fish mate pressurised filter - mate,

£299.99
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Aquati stage hma water - aquati,

Aquati stage hma water - aquati,

£57.95
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Garden aqua eco pond - aqua,

Garden aqua eco pond - aqua,

£89.99
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Bakki shower with media - with,

Bakki shower with media - with,

£585.00
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Pondxpert spinclean pond - spinclean,

Pondxpert spinclean pond - spinclean,

£239.99
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Alfagrog ceramic filter - ceramic,

Alfagrog ceramic filter - ceramic,

£14.99
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Jebao submersible pond pump - pond,

Jebao submersible pond pump - pond,

£26.95
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50mm kockney koi pre filter - koi,

50mm kockney koi pre filter - koi,

£14.99
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High capacity koi - capacity,

High capacity koi - capacity,

£49.99
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Fish mate bio 5000 - fish,

Fish mate bio 5000 - fish,

£34.95
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Superfish mini waterfall - superfish,

Superfish mini waterfall - superfish,

£24.99
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Black knight pond - black, filter

Black knight pond - black, filter

£16.10
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Fish mate pbio - mate, 15000l

Fish mate pbio - mate, 15000l

£105.45
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Nexus centre sieve - nexus, ~

Nexus centre sieve - nexus, ~

£39.99
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Stage hma high flow - high, water

Stage hma high flow - high, water

£57.05
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📊96 listings · from £6.95 · avg £131.96

Browse 96 koi filter listings currently in our index. Prices range from £6.95 to £789.95, with an average of £131.96. 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 £6.95, while premium listings can reach £789.95 — giving you a wide budget spread to work with. The average price of £131.96 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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