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Used koi filter

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Variflow koi fish pond - variflow,

Variflow koi fish pond - variflow,

£189.99
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Pressurised koi pond filter - koi,

Pressurised koi pond filter - koi,

£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 - pressurised, koi

Auto cleaning pressurised - pressurised, koi

£199.99
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Fish mate powerclenz - mate, puv

Fish mate powerclenz - mate, puv

£119.99
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Used alfagrog koi pond - used,

Used alfagrog koi pond - used,

£2.99
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Lotus genie 48000 - genie,

Lotus genie 48000 - genie,

£219.99
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Oase pontec pondomax 3500 - oase,

Oase pontec pondomax 3500 - oase,

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

Aqua sure anti clog pre - sure, pre-filter

£34.99
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Oase pontec multiclear 15000 - oase,

Oase pontec multiclear 15000 - oase,

£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 - koi,

Pond koi filter - 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 - jebao, filter

Jebao pressurised pond - jebao, filter

£84.99
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Kockney koi pond - kockney,

Kockney koi pond - 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 - large, koi

Large vortex chambers - large, koi

£156.70
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Popsoap pond filter - pump, kit

Popsoap pond filter - pump, kit

£47.11
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Oase aquamax eco - eco, premium

Oase aquamax eco - eco, premium

£156.70
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Evolution aqua evo15 - evolution,

Evolution aqua evo15 - evolution,

£29.82
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Double standard nsa house - double,

Double standard nsa house - double,

£19.36
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Oase biokick cws 200ml filter - cws,

Oase biokick cws 200ml filter - cws,

£19.95
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Pond filter with fountain pump - filter,

Pond filter with fountain pump - filter,

£19.99
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Pond one mantaray pumps - one,

Pond one mantaray pumps - one,

£140.06
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Hozelock aquaforce 8000 - aquaforce,

Hozelock aquaforce 8000 - aquaforce,

£63.10
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5pcs pond filter - 5pcs,

5pcs pond filter - 5pcs,

£35.98
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Pond filter bag - bag, with

Pond filter bag - bag, with

£24.55
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Pack fish pond filter - pond,

Pack fish pond filter - pond,

£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 - 38mm,

38mm internal diameter - 38mm,

£12.99
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Efficient pond skimmer for - pond,

Efficient pond skimmer for - pond,

£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 - exclusive,

Exclusive thick koi - exclusive,

£75.92
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5pcs fish pond - pond, brushes

5pcs fish pond - pond, brushes

£11.80
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Philips uvc replacement - philips,

Philips uvc replacement - philips,

£67.95
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Pond filter bag - pond,

Pond filter bag - pond,

£27.50
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Pond filter with - filter, fountain

Pond filter with - filter, fountain

£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 - flexible,

20mm flexible pond - flexible,

£14.99
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Matala usa half sheet filter - sheet,

Matala usa half sheet filter - sheet,

£34.35
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5pcs fish pond filter - pond,

5pcs fish pond filter - pond,

£12.43
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Evolution aqua pond - aqua,

Evolution aqua pond - aqua,

£92.20
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Hecaty filter bag water - bag,

Hecaty filter bag water - bag,

£26.66
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£176.72
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Water control skimmer for - water,

Water control skimmer for - water,

£16.38
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Used kockney koi rotafold - used,

Used kockney koi rotafold - used,

£250.00
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Used evolution aqua - used,

Used evolution aqua - used,

£495.00
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Pond filter with fountain - with, pump

Pond filter with fountain - with, pump

£134.68
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Blagdon clean pond - blagdon,

Blagdon clean pond - 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 - bag,

Pond filter bag with heavy - bag,

£26.66
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Koi pond pressurized - pressurized, bio

Koi pond pressurized - pressurized, bio

£65.08
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Drum filter screen fit - filter,

Drum filter screen fit - filter,

£146.30
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Pond filter bag - pond, with

Pond filter bag - pond, with

£25.99
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Clean water treatment for koi - water,

Clean water treatment for koi - water,

£30.91
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Heavy duty pond - pond, bag

Heavy duty pond - pond, bag

£22.91
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Hecaty filter bag water - bag,

Hecaty filter bag water - bag,

£23.65
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Flexible pond hose - flexible, corrugated

Flexible pond hose - flexible, corrugated

£30.86
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Oase aquamax eco - aquamax, classic

Oase aquamax eco - aquamax, classic

£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 - pond,

Efficient pond skimmer for koi - pond,

£21.13
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Pond filter bag with - filter,

Pond filter bag with - filter,

£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 filter - rgb, with

Poposoap rgb pond filter - rgb, with

£36.16
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Heavy duty pond filter - duty,

Heavy duty pond filter - duty,

£24.59
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£208.36
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Vivogrow 1050 gph bio - bio, pressure

Vivogrow 1050 gph bio - bio, pressure

£33.44
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Totalpond waterfall pump - totalpond,

Totalpond waterfall pump - totalpond,

£45.19
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Reliable 800gph pond pump - pond,

Reliable 800gph pond pump - pond,

£35.79
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Pondmaster pond mag magnetic - pondmaster, pond-mag

Pondmaster pond mag magnetic - pondmaster, pond-mag

£81.35
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Aquamiracle all one - aquamiracle, koi

Aquamiracle all one - aquamiracle, koi

£54.23
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Pressurized pond filter with - pond,

Pressurized pond filter with - pond,

£193.88
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Nexus 300 garden - 300,

Nexus 300 garden - 300,

£414.70
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Aquadyne professional bead - professional,

Aquadyne professional bead - professional,

£669.70
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Tmc 4946 line - 4946, pond

Tmc 4946 line - 4946, pond

£52.70
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Aquadyne filter c used - 4.4c,

Aquadyne filter c used - 4.4c,

£575.00
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Koi pond ozone - koi,

Koi pond ozone - koi,

£1026.70
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Pond filter with fountain - pond, pump

Pond filter with fountain - pond, pump

£110.38
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Large bio balls for - large, 1.25”

Large bio balls for - large, 1.25”

£44.29
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£27.11
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Genuine momotaro bakki - ,

Genuine momotaro bakki - ,

£12.94
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Profidrum eco koi pond - profidrum,

Profidrum eco koi pond - profidrum,

£2607.70
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Oase 40347 aquamax eco - 40347,

Oase 40347 aquamax eco - 40347,

£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 pond filter - 20000,

Kockney koi 20000 pond filter - 20000,

£603.40
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Kockney koi 5000v pond filter - pond,

Kockney koi 5000v pond filter - pond,

£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 koi - for,

Filter tank for koi - for,

£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 kit - swell,

Swell pond filter box kit - 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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