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Used koi filter

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Aqua sure anti - aqua, anti-clog

Aqua sure anti - aqua, anti-clog

£34.99
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Auto cleaning pressurised koi - auto,

Auto cleaning pressurised koi - auto,

£249.99
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Pressurised koi pond filter - pond,

Pressurised koi pond filter - pond,

£169.99
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Complete koi fish box - koi,

Complete koi fish box - koi,

£197.99
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Lotus genie - genie, 48000

Lotus genie - genie, 48000

£219.99
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Used alfagrog koi - alfagrog,

Used alfagrog koi - alfagrog,

£2.99
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Fish mate powerclenz 10000 - fish,

Fish mate powerclenz 10000 - fish,

£119.99
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Popsoap pond filter pump kit - popsoap,

Popsoap pond filter pump kit - popsoap,

£43.18
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Oase biopress pond - @,

Oase biopress pond - @,

£171.33
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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50
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Pond koi filter brushes used - filter,

Pond koi filter brushes used - filter,

£44.39
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Double standard nsa house - standard,

Double standard nsa house - standard,

£14.01
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Kockney koi pond vortex - kockney,

Kockney koi pond vortex - kockney,

£104.70
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Biological filter media 5 - k1,

Biological filter media 5 - k1,

£21.50
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Oase aquamax eco - premium, 8,000

Oase aquamax eco - premium, 8,000

£156.70
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Large vortex chambers - for, koi

Large vortex chambers - for, koi

£156.70
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Oase biokick cws - oase,

Oase biokick cws - oase,

£19.95
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Evolution aqua evo15 koi - uv,

Evolution aqua evo15 koi - uv,

£29.82
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5pcs pond filter brushes koi - pond,

5pcs pond filter brushes koi - pond,

£13.33
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Pack fish pond filter - fish,

Pack fish pond filter - fish,

£10.79
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Koi bio media - , black

Koi bio media - , black

£104.70
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Pond one mantaray - one, pumps

Pond one mantaray - one, pumps

£140.06
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20mm flexible pond - x,

20mm flexible pond - x,

£14.99
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Pond filter bag with heavy - filter,

Pond filter bag with heavy - filter,

£23.33
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Inch black media bag - 5-inch,

Inch black media bag - 5-inch,

£17.68
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Outdoor pond pump for koi - pond,

Outdoor pond pump for koi - pond,

£53.77
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Exclusive thick koi pond - exclusive,

Exclusive thick koi pond - exclusive,

£75.27
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Efficient pond skimmer for koi - pond,

Efficient pond skimmer for koi - pond,

£19.33
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Pressurised koi pond - pressurised,

Pressurised koi pond - pressurised,

£349.99
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Fish pond filter brush koi - fish, brush,

Fish pond filter brush koi - fish, brush,

£11.80
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Pond filter bag - with, heavy

Pond filter bag - with, heavy

£26.12
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5pcs fish pond filter - pond,

5pcs fish pond filter - pond,

£10.13
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Hecaty filter bag - hecaty, water

Hecaty filter bag - hecaty, water

£25.33
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38mm internal diameter - 38mm,

38mm internal diameter - 38mm,

£12.99
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Philips uvc replacement - 18,

Philips uvc replacement - 18,

£57.00
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Matala usa half sheet - matala,

Matala usa half sheet - matala,

£34.05
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Used kockney koi - used,

Used kockney koi - used,

£250.00
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Evolution aqua pond - k1,

Evolution aqua pond - k1,

£91.40
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100 gallon koi quarantine grow - 100,

100 gallon koi quarantine grow - 100,

£312.70
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Swell pressure filter - swell, uk

Swell pressure filter - swell, uk

£100.99
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Water control skimmer - skimmer, for

Water control skimmer - skimmer, for

£16.38
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Blagdon clean pond pods - 6, pack

Blagdon clean pond pods - 6, pack

£13.68
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Drum filter screen - drum,

Drum filter screen - drum,

£146.30
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£175.18
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Pond filter bag with - pond,

Pond filter bag with - pond,

£25.33
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For koi pond - pond, skimmer

For koi pond - pond, skimmer

£26.03
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Hecaty filter bag water - bag,

Hecaty filter bag water - bag,

£23.65
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Flexible pond hose corrugated - flexible,

Flexible pond hose corrugated - flexible,

£30.86
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Pond filter with fountain - pond, pump

Pond filter with fountain - pond, pump

£133.52
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Heavy duty pond filter bag - heavy,

Heavy duty pond filter bag - heavy,

£24.59
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£127.24
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Pondmaster pond mag - pond-mag, magnetic

Pondmaster pond mag - pond-mag, magnetic

£80.64
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5pcs fish pond - pond, filter

5pcs fish pond - pond, filter

£11.80
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Jebao used npu 13w - jebao,

Jebao used npu 13w - jebao,

£35.84
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Koi pond pressurized bio - pressurized,

Koi pond pressurized bio - pressurized,

£64.52
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Pond filter bag with - filter,

Pond filter bag with - filter,

£27.65
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£206.56
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Heavy duty pond filter - duty,

Heavy duty pond filter - duty,

£22.91
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Oase aquamax eco classic 5500 - classic,

Oase aquamax eco classic 5500 - classic,

£65.00
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Tsurumi self priming - tsurumi,

Tsurumi self priming - tsurumi,

£73.49
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Clean water treatment - for, koi

Clean water treatment - for, koi

£30.64
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Koi 10000v grp filter with - k-koi, ,with

Koi 10000v grp filter with - k-koi, ,with

£771.70
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Pressurized pond filter - pressurized,

Pressurized pond filter - pressurized,

£192.20
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Tmc 4946 line koi - tmc,

Tmc 4946 line koi - tmc,

£52.70
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Poposoap rgb pond filter with - rgb,

Poposoap rgb pond filter with - rgb,

£25.09
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Large bio balls for - balls, 1.25”

Large bio balls for - balls, 1.25”

£43.90
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Pond filter with - pond, fountain

Pond filter with - pond, fountain

£82.45
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Pond fountain pump - fountain, with

Pond fountain pump - fountain, with

£38.26
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Nexus 300 garden pond koi - nexus,

Nexus 300 garden pond koi - nexus,

£414.70
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Genuine momotaro bakki - momotaro,

Genuine momotaro bakki - momotaro,

£12.94
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Profidrum eco koi - profidrum, pond

Profidrum eco koi - profidrum, pond

£2607.70
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Matala power cyclone - matala,

Matala power cyclone - matala,

£757.22
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Pond filter with - filter, fountain

Pond filter with - filter, fountain

£95.96
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Aquadyne filter c used - filter,

Aquadyne filter c used - filter,

£575.00
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.36
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Oase 40347 aquamax eco - eco, classic

Oase 40347 aquamax eco - eco, classic

£98.57
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Pond filter with - filter, pump

Pond filter with - filter, pump

£109.42
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Yamitsu kockney koi mega - yamitsu,

Yamitsu kockney koi mega - yamitsu,

£31.90
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Vivogrow 1050 gph bio pressure - vivogrow,

Vivogrow 1050 gph bio pressure - vivogrow,

£33.15
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Vortec koi pond filter system - filter,

Vortec koi pond filter system - filter,

£305.00
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Filter tank for koi pond - filter,

Filter tank for koi pond - filter,

£73.50
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Totalpond waterfall pump - totalpond,

Totalpond waterfall pump - totalpond,

£44.80
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Forever speed 1500l - forever, 1500l/h

Forever speed 1500l - forever, 1500l/h

£31.08
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Aquamiracle all one koi - aquamiracle,

Aquamiracle all one koi - aquamiracle,

£53.76
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Evolution aqua nexus 320 with - 320,

Evolution aqua nexus 320 with - 320,

£1689.70
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Totalpond waterfall pump - waterfall,

Totalpond waterfall pump - waterfall,

£44.80
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Oase pond filteclear 19000uvc - oase,

Oase pond filteclear 19000uvc - oase,

£312.70
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Kockney koi waterfall pond - koi,

Kockney koi waterfall pond - koi,

£63.10
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Pondmaster pond mag magnetic - pondmaster,

Pondmaster pond mag magnetic - pondmaster,

£67.21
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Koi pond large vortex bay - pond, 3

Koi pond large vortex bay - pond, 3

£465.70
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Koi pond filter system - , &

Koi pond filter system - , &

£312.70
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Kockney koi yamitsu power fall - yamitsu,

Kockney koi yamitsu power fall - yamitsu,

£465.70
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£26.88
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Aquati koi ponds - koi, &

Aquati koi ponds - koi, &

£16.95
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Swell pond filter box - swell,

Swell pond filter box - swell,

£252.99
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📊96 listings · from £2.99 · avg £163.2

Browse 96 used koi filter listings currently in our index. Prices range from £2.99 to £2607.7, with an average of £163.2. 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 used koi filter →

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Everything you need to know about used koi filter

Whether you are looking for a brand-new or second-hand used 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 £2.99, while premium listings can reach £2607.7 — giving you a wide budget spread to work with. The average price of £163.2 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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