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Used koi filter

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Variflow koi fish pond - koi,

Variflow koi fish pond - koi,

£189.99
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Pressurised koi pond filter - pond, uv

Pressurised koi pond filter - pond, uv

£134.99
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Pressurised koi pond filter - koi,

Pressurised koi pond filter - koi,

£239.99
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Auto cleaning pressurised koi - pressurised,

Auto cleaning pressurised koi - pressurised,

£199.99
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Fish mate powerclenz 10000 puv - mate,

Fish mate powerclenz 10000 puv - mate,

£119.99
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Used alfagrog koi pond - kg,

Used alfagrog koi pond - kg,

£2.99
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Lotus genie 48000 - genie, filter

Lotus genie 48000 - genie, filter

£219.99
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Oase pontec pondomax 3500 - @,

Oase pontec pondomax 3500 - @,

£78.45
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Aqua sure anti - aqua,

Aqua sure anti - aqua,

£34.99
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Oase pontec multiclear 15000 - multiclear,

Oase pontec multiclear 15000 - multiclear,

£159.99
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Biological filter media 5 - k1,

Biological filter media 5 - k1,

£21.50
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Pond koi filter brushes used - filter,

Pond koi filter brushes used - filter,

£44.39
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Koi pond filter genuine - pond,

Koi pond filter genuine - pond,

£52.70
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Jebao pressurised pond - pond, filter

Jebao pressurised pond - pond, filter

£84.99
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Kockney koi pond vortex - kockney,

Kockney koi pond vortex - kockney,

£104.70
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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50
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Evolution aqua varipump 20000 - evolution,

Evolution aqua varipump 20000 - evolution,

£249.95
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Large vortex chambers for koi - for,

Large vortex chambers for koi - for,

£156.70
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Popsoap pond filter - popsoap, kit

Popsoap pond filter - popsoap, kit

£47.11
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Oase aquamax eco - oase,

Oase aquamax eco - oase,

£156.70
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Evolution aqua evo15 koi - uv,

Evolution aqua evo15 koi - uv,

£29.82
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Double standard nsa - standard, house

Double standard nsa - standard, house

£19.36
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Oase biokick cws - biokick, filter

Oase biokick cws - biokick, filter

£19.95
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£19.99
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Pond one mantaray - pond,

Pond one mantaray - pond,

£140.06
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Hozelock aquaforce 8000 - aquaforce,

Hozelock aquaforce 8000 - aquaforce,

£63.10
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5pcs pond filter brushes koi - filter,

5pcs pond filter brushes koi - filter,

£35.98
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Pond filter bag with heavy - pond,

Pond filter bag with heavy - pond,

£24.55
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Pack fish pond filter - fish,

Pack fish pond filter - fish,

£12.80
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56mm valterra slide - slide, gate

56mm valterra slide - slide, gate

£16.15
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38mm internal diameter - internal,

38mm internal diameter - internal,

£12.99
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Efficient pond skimmer - efficient, for

Efficient pond skimmer - efficient, for

£19.33
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Fish pond filter - filter, brush,

Fish pond filter - filter, brush,

£11.80
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Exclusive thick koi pond - 2",

Exclusive thick koi pond - 2",

£75.92
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5pcs fish pond filter - 5pcs,

5pcs fish pond filter - 5pcs,

£11.80
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Philips uvc replacement - x,

Philips uvc replacement - x,

£67.95
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Pond filter bag with - bag, heavy

Pond filter bag with - bag, heavy

£27.50
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Pond filter with - with, fountain

Pond filter with - with, fountain

£128.35
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Swell pressure filter - uk,

Swell pressure filter - uk,

£172.99
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Pressurised complete pond - complete,

Pressurised complete pond - complete,

£164.99
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20mm flexible pond - flexible,

20mm flexible pond - flexible,

£14.99
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Matala usa half sheet filter - matala,

Matala usa half sheet filter - matala,

£34.35
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5pcs fish pond filter - 5pcs,

5pcs fish pond filter - 5pcs,

£12.43
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£92.20
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£26.66
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Evolution aqua pond - aqua,

Evolution aqua pond - aqua,

£176.72
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Water control skimmer for koi - water,

Water control skimmer for koi - water,

£16.38
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Used kockney koi - koi, rotafold

Used kockney koi - koi, rotafold

£250.00
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Used evolution aqua nexus - evolution, 200

Used evolution aqua nexus - evolution, 200

£495.00
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Pond filter with - with, fountain

Pond filter with - with, fountain

£134.68
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Blagdon clean pond pods pack - blagdon,

Blagdon clean pond pods pack - blagdon,

£13.99
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Jebao used npu 13w - used, npu-13w

Jebao used npu 13w - used, npu-13w

£36.15
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Pond filter bag with heavy - filter,

Pond filter bag with heavy - filter,

£26.66
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Koi pond pressurized - pond, bio

Koi pond pressurized - pond, bio

£65.08
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Drum filter screen - filter, to

Drum filter screen - filter, to

£146.30
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Pond filter bag with - filter,

Pond filter bag with - filter,

£25.99
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Clean water treatment for koi - clean,

Clean water treatment for koi - clean,

£30.91
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Heavy duty pond - pond, filter

Heavy duty pond - pond, filter

£22.91
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Hecaty filter bag - filter, water

Hecaty filter bag - filter, water

£23.65
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Flexible pond hose corrugated - flexible,

Flexible pond hose corrugated - flexible,

£30.86
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Oase aquamax eco classic - aquamax,

Oase aquamax eco classic - aquamax,

£65.00
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Tsurumi self priming - tsurumi,

Tsurumi self priming - tsurumi,

£83.89
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Efficient pond skimmer for koi - efficient,

Efficient pond skimmer for koi - efficient,

£21.13
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Pond filter bag with heavy - pond,

Pond filter bag with heavy - pond,

£24.49
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Totalpond waterfall pump - totalpond,

Totalpond waterfall pump - totalpond,

£45.19
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Poposoap rgb pond - filter, with

Poposoap rgb pond - filter, with

£36.16
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Heavy duty pond filter bag - filter,

Heavy duty pond filter bag - filter,

£24.59
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£208.36
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Vivogrow 1050 gph bio - 1050,

Vivogrow 1050 gph bio - 1050,

£33.44
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Totalpond waterfall pump black - pump,

Totalpond waterfall pump black - pump,

£45.19
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Reliable 800gph pond - pond, pump

Reliable 800gph pond - pond, pump

£35.79
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Pondmaster pond mag magnetic - pondmaster,

Pondmaster pond mag magnetic - pondmaster,

£81.35
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Aquamiracle all one koi - all-in-one,

Aquamiracle all one koi - all-in-one,

£54.23
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Pressurized pond filter with - pressurized,

Pressurized pond filter with - pressurized,

£193.88
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Nexus 300 garden pond - 300,

Nexus 300 garden pond - 300,

£414.70
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Aquadyne professional bead - aquadyne,

Aquadyne professional bead - aquadyne,

£669.70
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Tmc 4946 line - in,

Tmc 4946 line - in,

£52.70
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Aquadyne filter c - filter, used

Aquadyne filter c - filter, used

£575.00
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Koi pond ozone - pond,

Koi pond ozone - pond,

£1026.70
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Pond filter with - fountain, pump

Pond filter with - fountain, pump

£110.38
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Large bio balls for - bio,

Large bio balls for - bio,

£44.29
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£27.11
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Genuine momotaro bakki - kg,

Genuine momotaro bakki - kg,

£12.94
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Profidrum eco koi pond - eco,

Profidrum eco koi pond - eco,

£2607.70
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Oase 40347 aquamax - eco, classic

Oase 40347 aquamax - eco, classic

£99.44
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.64
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Kockney koi 5000v pond - kockney,

Kockney koi 5000v pond - kockney,

£297.10
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Kockney koi 20000 - koi,

Kockney koi 20000 - koi,

£603.40
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Kockney koi 5000v - kockney,

Kockney koi 5000v - kockney,

£297.10
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Lava rock filter - rock,

Lava rock filter - rock,

£16.15
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Filter tank for koi pond - koi,

Filter tank for koi pond - koi,

£73.50
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Matala power cyclone - matala,

Matala power cyclone - matala,

£763.83
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Pond filter with - fountain, pump

Pond filter with - fountain, pump

£96.18
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Allpondsolutions pressurised - allpondsolutions,

Allpondsolutions pressurised - allpondsolutions,

£149.99
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Swell pond filter box - swell,

Swell pond filter box - swell,

£141.99
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📊96 listings · from £2.99 · avg £153.19

Browse 96 used koi filter listings currently in our index. Prices range from £2.99 to £2607.7, with an average of £153.19. 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 £153.19 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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