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Used koi filter

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Variflow koi fish pond pump - koi,

Variflow koi fish pond pump - koi,

£189.99
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Auto cleaning pressurised koi - cleaning,

Auto cleaning pressurised koi - cleaning,

£349.99
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Jebao pressurised pond filter - jebao,

Jebao pressurised pond filter - jebao,

£84.99
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Pressurised koi pond filter - pond, uv

Pressurised koi pond filter - pond, uv

£199.99
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Jebao pond pump - jebao, submersible

Jebao pond pump - jebao, submersible

£39.70
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Lotus genie 48000 filter - lotus,

Lotus genie 48000 filter - lotus,

£219.99
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Used alfagrog koi - used,

Used alfagrog koi - used,

£2.99
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Koi pond filter genuine - koi, oase

Koi pond filter genuine - koi, oase

£52.70
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Fish mate powerclenz 10000 puv - powerclenz,

Fish mate powerclenz 10000 puv - powerclenz,

£119.99
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Aqua sure anti - aqua, pre-filter

Aqua sure anti - aqua, pre-filter

£34.99
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Evolution aqua varipump 20000 - evolution,

Evolution aqua varipump 20000 - evolution,

£249.95
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Oase pontec multiclear - oase,

Oase pontec multiclear - oase,

£159.99
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Oase pontec pondomax 3500 - pondomax,

Oase pontec pondomax 3500 - pondomax,

£78.45
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Pond koi filter brushes used - pond,

Pond koi filter brushes used - pond,

£44.39
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Kockney koi pond - koi, vortex

Kockney koi pond - koi, vortex

£104.70
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Biological filter media 5 - k1,

Biological filter media 5 - k1,

£21.50
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Large vortex chambers - chambers, for

Large vortex chambers - chambers, for

£156.70
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Popsoap pond filter pump - pond, kit

Popsoap pond filter pump - pond, kit

£45.76
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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50
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Oase aquamax eco - aquamax,

Oase aquamax eco - aquamax,

£156.70
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Hozelock aquaforce 8000 - hozelock,

Hozelock aquaforce 8000 - hozelock,

£52.70
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Evolution aqua evo15 koi - evolution, uv

Evolution aqua evo15 koi - evolution, uv

£29.82
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5pcs pond filter brushes koi - pond, brushes,

5pcs pond filter brushes koi - pond, brushes,

£13.33
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Oase biokick cws 200ml filter - cws,

Oase biokick cws 200ml filter - cws,

£19.95
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Double standard nsa - double,

Double standard nsa - double,

£19.36
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Pond one mantaray - pond,

Pond one mantaray - pond,

£140.06
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Pond filter bag - pond,

Pond filter bag - pond,

£23.33
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Pack fish pond filter - 5,

Pack fish pond filter - 5,

£12.80
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Inch black media - black,

Inch black media - black,

£17.68
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Efficient pond skimmer for koi - pond,

Efficient pond skimmer for koi - pond,

£19.33
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Philips uvc replacement - philips, x

Philips uvc replacement - philips, x

£57.68
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38mm internal diameter - 38mm,

38mm internal diameter - 38mm,

£12.99
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5pcs fish pond filter brushes - fish,

5pcs fish pond filter brushes - fish,

£11.80
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For koi pond - for,

For koi pond - for,

£26.03
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Exclusive thick koi pond - exclusive,

Exclusive thick koi pond - exclusive,

£75.63
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Fish pond filter brush - pond, brush,

Fish pond filter brush - pond, brush,

£11.80
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£127.85
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20mm flexible pond - x,

20mm flexible pond - x,

£14.99
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Pressurised koi pond - pressurised,

Pressurised koi pond - pressurised,

£349.99
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Swell pressure filter - swell,

Swell pressure filter - swell,

£172.99
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Pond filter bag with - bag,

Pond filter bag with - bag,

£27.50
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Matala usa half sheet - sheet, filter

Matala usa half sheet - sheet, filter

£34.22
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Used kockney koi - used, rotafold

Used kockney koi - used, rotafold

£250.00
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Used evolution aqua nexus 200 - used,

Used evolution aqua nexus 200 - used,

£495.00
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£26.66
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5pcs fish pond filter - fish,

5pcs fish pond filter - fish,

£11.81
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Water control skimmer for - skimmer, koi

Water control skimmer for - skimmer, koi

£16.38
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Evolution aqua pond - evolution, k1

Evolution aqua pond - evolution, k1

£91.84
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Pond filter bag with - pond,

Pond filter bag with - pond,

£26.66
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£134.16
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Evolution aqua pond - aqua, k1

Evolution aqua pond - aqua, k1

£176.03
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Vivogrow 1050 gph - gph, bio

Vivogrow 1050 gph - gph, bio

£33.31
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Pond filter bag with heavy - pond,

Pond filter bag with heavy - pond,

£25.99
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Hecaty filter bag - hecaty, water

Hecaty filter bag - hecaty, water

£23.65
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Blagdon clean pond pods pack - pods,

Blagdon clean pond pods pack - pods,

£13.99
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Drum filter screen fit - screen, to

Drum filter screen fit - screen, to

£146.30
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Clean water treatment - clean, koi

Clean water treatment - clean, koi

£30.79
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Jebao used npu 13w - jebao,

Jebao used npu 13w - jebao,

£36.01
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Koi pond pressurized - koi, bio

Koi pond pressurized - koi, bio

£64.83
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Heavy duty pond - duty,

Heavy duty pond - duty,

£22.91
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Pond filter bag - filter, heavy

Pond filter bag - filter, heavy

£24.49
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Tsurumi self priming - tsurumi, fl-43

Tsurumi self priming - tsurumi, fl-43

£83.89
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£207.55
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Oase aquamax eco classic - aquamax,

Oase aquamax eco classic - aquamax,

£65.00
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Heavy duty pond filter bag - filter,

Heavy duty pond filter bag - filter,

£24.59
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Efficient pond skimmer for - efficient,

Efficient pond skimmer for - efficient,

£21.13
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Reliable 800gph pond pump - 800gph,

Reliable 800gph pond pump - 800gph,

£35.65
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Totalpond waterfall pump - totalpond,

Totalpond waterfall pump - totalpond,

£45.01
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Poposoap rgb pond filter - poposoap, with

Poposoap rgb pond filter - poposoap, with

£36.02
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Flexible pond hose corrugated - flexible,

Flexible pond hose corrugated - flexible,

£30.86
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Totalpond waterfall pump black - waterfall,

Totalpond waterfall pump black - waterfall,

£45.01
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Pressurized pond filter with - filter,

Pressurized pond filter with - filter,

£193.13
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Pondmaster pond mag magnetic - pondmaster, pond-mag

Pondmaster pond mag magnetic - pondmaster, pond-mag

£81.03
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Pond fountain pump kit with - fountain,

Pond fountain pump kit with - fountain,

£38.44
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Kockney koi 5000v pond filter - 5000v,

Kockney koi 5000v pond filter - 5000v,

£271.10
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Kockney koi 5000v pond - koi,

Kockney koi 5000v pond - koi,

£271.10
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Evolution aqua nexus 320 koi - evolution,

Evolution aqua nexus 320 koi - evolution,

£715.60
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Tmc 4946 line koi - 4946, pond

Tmc 4946 line koi - 4946, pond

£52.70
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Large bio balls - large, 1.25”

Large bio balls - large, 1.25”

£44.11
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Genuine momotaro bakki - momotaro,

Genuine momotaro bakki - momotaro,

£12.94
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Profidrum eco koi pond - koi,

Profidrum eco koi pond - koi,

£2607.70
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All pond solutions fish - pond,

All pond solutions fish - pond,

£21.50
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Pondmaster pond mag magnetic - pond-mag,

Pondmaster pond mag magnetic - pond-mag,

£67.53
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Aquadyne professional bead - aquadyne,

Aquadyne professional bead - aquadyne,

£669.70
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£27.01
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Nexus 300 garden pond koi - 300,

Nexus 300 garden pond koi - 300,

£414.70
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Koi pond ozone - koi,

Koi pond ozone - koi,

£1026.70
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Aquadyne filter c used - aquadyne, 4.4c

Aquadyne filter c used - aquadyne, 4.4c

£575.00
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Pond filter with fountain - with, pump

Pond filter with fountain - with, pump

£109.95
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Pond filter with - with, pump

Pond filter with - with, pump

£96.42
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Lava rock filter media - filter,

Lava rock filter media - filter,

£16.15
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Filter tank for - koi, with

Filter tank for - koi, with

£73.50
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.51
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Pressurised complete pond - pressurised,

Pressurised complete pond - pressurised,

£164.99
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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 £148.51

Browse 96 used koi filter listings currently in our index. Prices range from £2.99 to £2607.7, with an average of £148.51. 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 £148.51 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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