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Used koi filter

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Aqua sure anti - anti-clog, pre-filter

Aqua sure anti - anti-clog, pre-filter

£34.99
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Auto cleaning pressurised - cleaning, koi

Auto cleaning pressurised - cleaning, koi

£159.99
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Pressurised koi pond - pond, uv

Pressurised koi pond - pond, uv

£199.99
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Pressurised koi pond - pressurised,

Pressurised koi pond - pressurised,

£349.99
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Fish mate powerclenz 10000 puv - mate,

Fish mate powerclenz 10000 puv - mate,

£119.99
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Lotus genie - genie,

Lotus genie - genie,

£219.99
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Used alfagrog koi pond - 1,

Used alfagrog koi pond - 1,

£2.99
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Pond koi filter brushes used - koi,

Pond koi filter brushes used - koi,

£44.39
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Double standard nsa house - double,

Double standard nsa house - double,

£14.01
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Popsoap pond filter pump kit - pond,

Popsoap pond filter pump kit - pond,

£41.93
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Large vortex chambers - for, koi

Large vortex chambers - for, koi

£156.70
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Valterra inch slide gate - 4-inch,

Valterra inch slide gate - 4-inch,

£31.90
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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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Oase biopress pond pressure - @,

Oase biopress pond pressure - @,

£171.33
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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50
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Kockney koi pond - koi,

Kockney koi pond - koi,

£104.70
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Evolution aqua evo15 koi - evolution,

Evolution aqua evo15 koi - evolution,

£29.82
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Oase biokick cws - oase, 200ml

Oase biokick cws - oase, 200ml

£19.95
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Pond one mantaray - pond, pumps

Pond one mantaray - pond, pumps

£140.06
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Pack fish pond - pack, of

Pack fish pond - pack, of

£9.92
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5pcs pond filter - 5pcs,

5pcs pond filter - 5pcs,

£13.33
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Pond filter bag - pond,

Pond filter bag - pond,

£15.76
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Koi bio media - , black

Koi bio media - , black

£104.70
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Efficient pond skimmer - skimmer, koi

Efficient pond skimmer - skimmer, koi

£19.33
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Inch black media - 5-inch,

Inch black media - 5-inch,

£17.68
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Drum filter screen fit - filter, to

Drum filter screen fit - filter, to

£146.30
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20mm flexible pond - 9.2m,

20mm flexible pond - 9.2m,

£14.99
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Swell pressure filter - uk,

Swell pressure filter - uk,

£153.99
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Exclusive thick koi pond - thick,

Exclusive thick koi pond - thick,

£75.18
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Pond filter bag with - pond,

Pond filter bag with - pond,

£26.12
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38mm internal diameter - internal,

38mm internal diameter - internal,

£12.99
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Hecaty filter bag water - bag,

Hecaty filter bag water - bag,

£25.33
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Fish pond filter - 5x,

Fish pond filter - 5x,

£12.92
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5pcs fish pond filter - pond,

5pcs fish pond filter - pond,

£9.18
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Outdoor pond pump - pump,

Outdoor pond pump - pump,

£53.71
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Matala usa half - matala,

Matala usa half - matala,

£34.01
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Philips uvc replacement - philips,

Philips uvc replacement - philips,

£57.08
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Complete koi fish - koi, filter

Complete koi fish - koi, filter

£197.99
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Jebao pressurised pond filter - pressurised,

Jebao pressurised pond filter - pressurised,

£84.99
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Water control skimmer for - water, koi

Water control skimmer for - water, koi

£16.38
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Used kockney koi rotafold - kockney,

Used kockney koi rotafold - kockney,

£250.00
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Evolution aqua pond - aqua,

Evolution aqua pond - aqua,

£91.29
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Blagdon clean pond pods - pods, pack

Blagdon clean pond pods - pods, pack

£13.68
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Heavy duty pond - duty,

Heavy duty pond - duty,

£24.59
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Evolution aqua pond - evolution, k1

Evolution aqua pond - evolution, k1

£174.99
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For koi pond drain skimmer - drain,

For koi pond drain skimmer - drain,

£26.03
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Hecaty filter bag water - filter,

Hecaty filter bag water - filter,

£23.65
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Pond filter bag - bag, with

Pond filter bag - bag, with

£25.33
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Pond filter with fountain pump - with,

Pond filter with fountain pump - with,

£133.37
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Pond filter with fountain pump - fountain,

Pond filter with fountain pump - fountain,

£127.10
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Koi pond pressurized - koi,

Koi pond pressurized - koi,

£64.45
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Pond filter bag with - pond,

Pond filter bag with - pond,

£27.65
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5pcs fish pond - 5pcs, brushes

5pcs fish pond - 5pcs, brushes

£12.92
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Heavy duty pond filter bag - pond,

Heavy duty pond filter bag - pond,

£22.91
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Pondmaster pond mag magnetic - pondmaster,

Pondmaster pond mag magnetic - pondmaster,

£80.55
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Jebao used npu 13w - jebao,

Jebao used npu 13w - jebao,

£35.80
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Oase aquamax eco - eco, classic

Oase aquamax eco - eco, classic

£65.00
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Koi 10000v grp - filter, ,with

Koi 10000v grp - filter, ,with

£771.70
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Flexible pond hose corrugated - pond,

Flexible pond hose corrugated - pond,

£30.86
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Poposoap rgb pond filter with - rgb,

Poposoap rgb pond filter with - rgb,

£26.85
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Pond filter with fountain - fountain, pump

Pond filter with fountain - fountain, pump

£82.36
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Tmc 4946 line - line, pond

Tmc 4946 line - line, pond

£52.70
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Nexus 300 garden pond koi - nexus,

Nexus 300 garden pond koi - nexus,

£414.70
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Pressurized biological pond - biological,

Pressurized biological pond - biological,

£238.01
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Tsurumi self priming - fl-43,

Tsurumi self priming - fl-43,

£73.49
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Genuine momotaro bakki - genuine,

Genuine momotaro bakki - genuine,

£12.94
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Profidrum eco koi pond - 65/40,

Profidrum eco koi pond - 65/40,

£2607.70
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Pond fountain pump kit - fountain,

Pond fountain pump kit - fountain,

£38.21
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Large bio balls - bio,

Large bio balls - bio,

£43.85
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Aquadyne filter c used - filter,

Aquadyne filter c used - filter,

£575.00
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Pond filter with - filter,

Pond filter with - filter,

£109.30
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Totalpond waterfall pump black - waterfall,

Totalpond waterfall pump black - waterfall,

£44.75
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Matala power cyclone - matala,

Matala power cyclone - matala,

£756.37
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Aquamiracle all one - aquamiracle, all-in-one

Aquamiracle all one - aquamiracle, all-in-one

£53.70
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Pressurized pond filter with - pond,

Pressurized pond filter with - pond,

£221.00
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.33
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Pond filter with - pond, fountain

Pond filter with - pond, fountain

£95.85
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Yamitsu kockney koi - koi, black

Yamitsu kockney koi - koi, black

£31.90
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Totalpond waterfall pump - totalpond, s

Totalpond waterfall pump - totalpond, s

£44.75
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Vivogrow 1050 gph bio pressure - vivogrow,

Vivogrow 1050 gph bio pressure - vivogrow,

£33.11
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Filter tank for koi - filter, with

Filter tank for koi - filter, with

£73.50
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Forever speed 1500l - forever, 1500l/h

Forever speed 1500l - forever, 1500l/h

£30.19
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Kockney koi yamitsu - yamitsu, power

Kockney koi yamitsu - yamitsu, power

£465.70
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Vortec koi pond - pond, system

Vortec koi pond - pond, system

£305.00
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Oase pond filteclear 19000uvc - oase,

Oase pond filteclear 19000uvc - oase,

£312.70
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Oase 40347 aquamax eco classic - aquamax,

Oase 40347 aquamax eco classic - aquamax,

£98.46
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Kockney koi waterfall pond - kockney,

Kockney koi waterfall pond - kockney,

£63.10
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Koi pond large vortex - large,

Koi pond large vortex - large,

£465.70
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Koi pond filter - , system

Koi pond filter - , system

£312.70
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Pond filter with fountain - filter,

Pond filter with fountain - filter,

£95.24
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Evolution aqua nexus - evolution,

Evolution aqua nexus - evolution,

£1689.70
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Pondmaster pond mag magnetic - pondmaster,

Pondmaster pond mag magnetic - pondmaster,

£67.13
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Allpondsolutions pressurised - allpondsolutions,

Allpondsolutions pressurised - allpondsolutions,

£199.99
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Swell pressurised pond filter - swell,

Swell pressurised pond filter - swell,

£112.99
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📊96 listings · from £2.99 · avg £162.45

Browse 96 used koi filter listings currently in our index. Prices range from £2.99 to £2607.7, with an average of £162.45. 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 £162.45 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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