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Used koi filter

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Home / / Used koi filter refurbished & used for sale | For Sale UK
Litres used kaldnes koi - 2,

Litres used kaldnes koi - 2,

£5.99
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Variflow koi fish pond - koi, pump

Variflow koi fish pond - koi, pump

£189.99
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Tmc 4946 line koi - 4946,

Tmc 4946 line koi - 4946,

£52.70
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Pro clear uv30 - pro,

Pro clear uv30 - pro,

£1026.70
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Blagdon inpond one 3000 - blagdon,

Blagdon inpond one 3000 - blagdon,

£37.10
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Evolution aqua evo15 - evo15, 15w

Evolution aqua evo15 - evo15, 15w

£49.99
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Oase pontec multiclear 15000 - oase,

Oase pontec multiclear 15000 - oase,

£179.99
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Aqua sure anti - aqua,

Aqua sure anti - aqua,

£34.99
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Pond koi filter brushes - pond, used

Pond koi filter brushes - pond, used

£44.39
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Used alfagrog koi - koi, pond

Used alfagrog koi - koi, pond

£3.99
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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50
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Lotus genie 48000 - genie,

Lotus genie 48000 - genie,

£249.99
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Large vortex chambers - large, for

Large vortex chambers - large, for

£156.70
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Pond one mantaray - pond,

Pond one mantaray - pond,

£140.06
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Koi pond filter genuine - koi,

Koi pond filter genuine - koi,

£52.70
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Evolution aqua evo15 - aqua, uv

Evolution aqua evo15 - aqua, uv

£29.82
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Popsoap pond filter - pond,

Popsoap pond filter - pond,

£48.50
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Biological filter media 5 - k1,

Biological filter media 5 - k1,

£21.50
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Efficient pond skimmer - for, koi

Efficient pond skimmer - for, koi

£17.38
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Double standard nsa - double,

Double standard nsa - double,

£19.36
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Pack fish pond - of, filter

Pack fish pond - of, filter

£10.37
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Oase aquamax eco classic 5500 - oase,

Oase aquamax eco classic 5500 - oase,

£75.00
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5pcs pond filter - filter, koi

5pcs pond filter - filter, koi

£37.87
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56mm valterra slide gate - valterra,

56mm valterra slide gate - valterra,

£16.15
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Efficient pond skimmer for koi - efficient,

Efficient pond skimmer for koi - efficient,

£17.59
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5pcs fish pond - pond, filter

5pcs fish pond - pond, filter

£11.80
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Fish pond filter brush koi - filter,

Fish pond filter brush koi - filter,

£11.80
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38mm internal diameter - 38mm,

38mm internal diameter - 38mm,

£12.99
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Vivogrow 1050 gph bio - vivogrow,

Vivogrow 1050 gph bio - vivogrow,

£33.44
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Inch black media - 5-inch,

Inch black media - 5-inch,

£17.68
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Pond filter bag - pond,

Pond filter bag - pond,

£27.50
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Blagdon clean pond - blagdon,

Blagdon clean pond - blagdon,

£15.99
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Exclusive thick koi pond - 2",

Exclusive thick koi pond - 2",

£108.45
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Tsurumi self priming - fl-43,

Tsurumi self priming - fl-43,

£83.89
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Pond filter bag - filter, heavy

Pond filter bag - filter, heavy

£24.55
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Used kockney koi rotafold - kockney,

Used kockney koi rotafold - kockney,

£250.00
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Used evolution aqua nexus 200 - used,

Used evolution aqua nexus 200 - used,

£450.00
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Pond filter bag with heavy - filter,

Pond filter bag with heavy - filter,

£26.66
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Evolution aqua pond - k1,

Evolution aqua pond - k1,

£92.19
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Drum filter screen - to, fit

Drum filter screen - to, fit

£146.30
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Water control skimmer for - water, koi

Water control skimmer for - water, koi

£16.38
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Evolution aqua pond - evolution, k1

Evolution aqua pond - evolution, k1

£176.70
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Matala usa half sheet - sheet, filter

Matala usa half sheet - sheet, filter

£34.35
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Koi pond pressurized bio - koi,

Koi pond pressurized bio - koi,

£65.08
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£26.66
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Efficient pond skimmer - pond,

Efficient pond skimmer - pond,

£21.13
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Poposoap rgb pond filter - rgb, with

Poposoap rgb pond filter - rgb, with

£27.12
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Pond pump energy - saving, for

Pond pump energy - saving, for

£49.99
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20mm flexible pond - x,

20mm flexible pond - x,

£14.99
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Heavy duty pond filter - pond,

Heavy duty pond filter - pond,

£22.91
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Pond filter bag with heavy - with,

Pond filter bag with heavy - with,

£27.65
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Pond filter bag with - pond,

Pond filter bag with - pond,

£23.27
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Reliable 800gph pond pump - reliable,

Reliable 800gph pond pump - reliable,

£39.04
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Clean water treatment for koi - treatment,

Clean water treatment for koi - treatment,

£32.53
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Heavy duty pond - heavy, bag

Heavy duty pond - heavy, bag

£23.27
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Aquadyne filter c used - 4.4c,

Aquadyne filter c used - 4.4c,

£675.00
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Pond filter with - pond, fountain

Pond filter with - pond, fountain

£113.81
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Hecaty filter bag - hecaty, water

Hecaty filter bag - hecaty, water

£22.00
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Jebao used npu - used, uv

Jebao used npu - used, uv

£36.15
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Flexible pond hose corrugated - flexible,

Flexible pond hose corrugated - flexible,

£31.90
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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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Genuine momotaro bakki - 1, kg

Genuine momotaro bakki - 1, kg

£12.94
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Profidrum eco koi pond - profidrum,

Profidrum eco koi pond - profidrum,

£2607.70
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Matala power cyclone - matala,

Matala power cyclone - matala,

£763.78
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Lava rock filter - filter, media

Lava rock filter - filter, media

£16.15
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Aquadyne professional bead - aquadyne,

Aquadyne professional bead - aquadyne,

£669.70
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Nexus 300 garden pond koi - ,

Nexus 300 garden pond koi - ,

£414.70
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Pond filter with - filter, fountain

Pond filter with - filter, fountain

£110.37
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Filter tank for koi - filter,

Filter tank for koi - filter,

£73.50
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Vortec koi pond - vortec,

Vortec koi pond - vortec,

£305.00
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Alfagrog ceramic koi pond - ceramic,

Alfagrog ceramic koi pond - ceramic,

£16.15
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Vortex filter chambers for - vortex,

Vortex filter chambers for - vortex,

£208.70
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Oase 40347 aquamax - 40347,

Oase 40347 aquamax - 40347,

£99.43
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Pondmaster pond mag magnetic - pondmaster, pond-mag

Pondmaster pond mag magnetic - pondmaster, pond-mag

£81.34
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£27.11
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Kockney koi four bay filter - kockney,

Kockney koi four bay filter - kockney,

£156.69
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Pressurized biological pond - biological,

Pressurized biological pond - biological,

£208.35
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Kockney koi 5000v - kockney,

Kockney koi 5000v - kockney,

£297.10
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Kockney koi 10000v pond filter - pond,

Kockney koi 10000v pond filter - pond,

£501.40
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.64
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Oase pond filteclear - oase, 19000uvc

Oase pond filteclear - oase, 19000uvc

£312.70
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Koi pond ozone - ozone,

Koi pond ozone - ozone,

£1026.70
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All pond solutions - solutions,

All pond solutions - solutions,

£21.50
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Pond filter fountain kit - pond,

Pond filter fountain kit - pond,

£43.92
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Flexible rubber boot - rubber,

Flexible rubber boot - rubber,

£16.95
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Koi pond filter system - pond,

Koi pond filter system - pond,

£695.20
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Koi pond large - koi, 3

Koi pond large - koi, 3

£465.70
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Pressurized pond filter with - filter,

Pressurized pond filter with - filter,

£193.87
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Kockney koi yamitsu - kockney,

Kockney koi yamitsu - kockney,

£465.70
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Pond filter with - pond,

Pond filter with - pond,

£108.19
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Large bio balls for - large,

Large bio balls for - large,

£44.28
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Ultra quiet 100w pond pump - 100w,

Ultra quiet 100w pond pump - 100w,

£95.80
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Showingo watt bulb lamp - showingo,

Showingo watt bulb lamp - showingo,

£37.96
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Aqua seive - aqua,

Aqua seive - aqua,

£350.00
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Large koi pond - large,

Large koi pond - large,

£414.70
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📊96 listings · from £3.99 · avg £175.53

Browse 96 used koi filter listings currently in our index. Prices range from £3.99 to £2607.7, with an average of £175.53. 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 £3.99, while premium listings can reach £2607.7 — giving you a wide budget spread to work with. The average price of £175.53 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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