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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 - pressurised,

Pressurised koi pond filter - pressurised,

£134.99
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Pressurised koi pond - pressurised, uv

Pressurised koi pond - pressurised, uv

£239.99
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Auto cleaning pressurised koi - auto,

Auto cleaning pressurised koi - auto,

£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 - kg,

Used alfagrog koi - kg,

£2.99
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Lotus genie 48000 filter - lotus,

Lotus genie 48000 filter - lotus,

£219.99
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Oase pontec pondomax 3500 - pondomax,

Oase pontec pondomax 3500 - pondomax,

£78.45
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Aqua sure anti clog pre - sure, anti-clog

Aqua sure anti clog pre - sure, anti-clog

£34.99
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Oase pontec multiclear - oase, 15000

Oase pontec multiclear - oase, 15000

£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 - koi,

Pond koi filter brushes used - koi,

£44.39
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Koi pond filter genuine oase - koi,

Koi pond filter genuine oase - koi,

£52.70
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Jebao pressurised pond filter - pressurised,

Jebao pressurised pond filter - pressurised,

£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 - aqua,

Evolution aqua varipump 20000 - aqua,

£249.95
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Large vortex chambers - large, koi

Large vortex chambers - large, koi

£156.70
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Popsoap pond filter pump kit - popsoap,

Popsoap pond filter pump kit - popsoap,

£47.11
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Oase aquamax eco premium - oase,

Oase aquamax eco premium - oase,

£156.70
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Evolution aqua evo15 koi - evolution,

Evolution aqua evo15 koi - evolution,

£29.82
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Double standard nsa house - nsa,

Double standard nsa house - nsa,

£19.36
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Oase biokick cws 200ml filter - oase,

Oase biokick cws 200ml filter - oase,

£19.95
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Pond filter with fountain - pond,

Pond filter with fountain - pond,

£19.99
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Pond one mantaray pumps - pond,

Pond one mantaray pumps - pond,

£140.06
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Hozelock aquaforce 8000 - hozelock,

Hozelock aquaforce 8000 - hozelock,

£63.10
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5pcs pond filter brushes - brushes,, koi

5pcs pond filter brushes - brushes,, koi

£35.98
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Pond filter bag - bag, heavy

Pond filter bag - bag, heavy

£24.55
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Pack fish pond - pond, filter

Pack fish pond - pond, filter

£12.80
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56mm valterra slide gate - 2"/56mm,

56mm valterra slide gate - 2"/56mm,

£16.15
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38mm internal diameter - internal,

38mm internal diameter - internal,

£12.99
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Efficient pond skimmer - pond,

Efficient pond skimmer - pond,

£19.33
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Fish pond filter brush koi - fish, brush,

Fish pond filter brush koi - fish, brush,

£11.80
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Exclusive thick koi - exclusive, pond

Exclusive thick koi - exclusive, pond

£75.92
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5pcs fish pond - fish, filter

5pcs fish pond - fish, filter

£11.80
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Philips uvc replacement - philips, 18

Philips uvc replacement - philips, 18

£67.95
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Pond filter bag with - filter, heavy

Pond filter bag with - filter, heavy

£27.50
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Pond filter with fountain - pond,

Pond filter with fountain - pond,

£128.35
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Swell pressure filter - swell, uk

Swell pressure filter - swell, uk

£172.99
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Pressurised complete pond - pressurised,

Pressurised complete pond - pressurised,

£164.99
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20mm flexible pond - 20mm,

20mm flexible pond - 20mm,

£14.99
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Matala usa half sheet - matala,

Matala usa half sheet - 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, k1

Evolution aqua pond - evolution, k1

£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 - for, koi

Water control skimmer for - for, koi

£16.38
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Used kockney koi - kockney,

Used kockney koi - kockney,

£250.00
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Used evolution aqua - nexus, 200

Used evolution aqua - nexus, 200

£495.00
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Pond filter with fountain - pond,

Pond filter with fountain - pond,

£134.68
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Blagdon clean pond pods - pond, pack

Blagdon clean pond pods - pond, pack

£13.99
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Jebao used npu - jebao,

Jebao used npu - jebao,

£36.15
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Pond filter bag with - pond,

Pond filter bag with - pond,

£26.66
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Koi pond pressurized bio - koi,

Koi pond pressurized bio - koi,

£65.08
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Drum filter screen fit - filter, to

Drum filter screen fit - filter, to

£146.30
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Pond filter bag with - pond,

Pond filter bag with - pond,

£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 filter - pond, bag

Heavy duty pond filter - pond, bag

£22.91
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Hecaty filter bag - bag, water

Hecaty filter bag - bag, water

£23.65
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Flexible pond hose corrugated - pond,

Flexible pond hose corrugated - pond,

£30.86
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Oase aquamax eco classic - aquamax, 5500

Oase aquamax eco classic - aquamax, 5500

£65.00
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Tsurumi self priming - tsurumi, fl-43

Tsurumi self priming - tsurumi, fl-43

£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 - bag, with

Pond filter bag - bag, with

£24.49
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Totalpond waterfall pump - totalpond, s

Totalpond waterfall pump - totalpond, s

£45.19
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Poposoap rgb pond - rgb,

Poposoap rgb pond - rgb,

£36.16
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Heavy duty pond - filter, bag

Heavy duty pond - filter, bag

£24.59
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£208.36
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Vivogrow 1050 gph bio - gph,

Vivogrow 1050 gph bio - gph,

£33.44
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Totalpond waterfall pump - totalpond,

Totalpond waterfall pump - totalpond,

£45.19
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Reliable 800gph pond pump - 800gph,

Reliable 800gph pond pump - 800gph,

£35.79
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Pondmaster pond mag - pondmaster, magnetic

Pondmaster pond mag - pondmaster, magnetic

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

Aquamiracle all one koi - aquamiracle, 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 - pond, koi

Nexus 300 garden pond - pond, koi

£414.70
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Aquadyne professional bead - aquadyne,

Aquadyne professional bead - aquadyne,

£669.70
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Tmc 4946 line koi - tmc,

Tmc 4946 line koi - tmc,

£52.70
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Aquadyne filter c used - aquadyne, 4.4c

Aquadyne filter c used - aquadyne, 4.4c

£575.00
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Koi pond ozone - pond,

Koi pond ozone - pond,

£1026.70
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Pond filter with - filter, fountain

Pond filter with - filter, fountain

£110.38
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Large bio balls for - large,

Large bio balls for - large,

£44.29
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£27.11
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Genuine momotaro bakki - 1,

Genuine momotaro bakki - 1,

£12.94
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Profidrum eco koi - eco,

Profidrum eco koi - eco,

£2607.70
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Oase 40347 aquamax eco - oase, classic

Oase 40347 aquamax eco - oase, 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 - 5000v, pond

Kockney koi 5000v - 5000v, pond

£297.10
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Kockney koi 20000 pond - kockney,

Kockney koi 20000 pond - kockney,

£603.40
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Kockney koi 5000v - kockney,

Kockney koi 5000v - kockney,

£297.10
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Lava rock filter media 9l - lava,

Lava rock filter media 9l - lava,

£16.15
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Filter tank for - tank, with

Filter tank for - tank, with

£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,

Pond filter with fountain pump - pond,

£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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