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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, k1

Litres used kaldnes koi - 2, k1

£5.99
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Variflow koi fish - pond, pump

Variflow koi fish - pond, pump

£189.99
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Tmc 4946 line koi - 4946, in

Tmc 4946 line koi - 4946, in

£52.70
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Pro clear uv30 pond - uv30, for

Pro clear uv30 pond - uv30, for

£1026.70
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Blagdon inpond one - blagdon, 5-in-one

Blagdon inpond one - blagdon, 5-in-one

£37.10
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Evolution aqua evo15 15w - evolution,

Evolution aqua evo15 15w - evolution,

£49.99
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Oase pontec multiclear 15000 - pontec,

Oase pontec multiclear 15000 - pontec,

£179.99
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Aqua sure anti clog - aqua,

Aqua sure anti clog - aqua,

£34.99
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Pond koi filter brushes used - koi,

Pond koi filter brushes used - koi,

£44.39
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Used alfagrog koi pond - kg,

Used alfagrog koi pond - kg,

£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 filter - genie,

Lotus genie 48000 filter - genie,

£249.99
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Large vortex chambers for - large,

Large vortex chambers for - large,

£156.70
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Pond one mantaray - pond, pumps

Pond one mantaray - pond, pumps

£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 - uv, koi

Evolution aqua evo15 - uv, koi

£29.82
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Popsoap pond filter pump kit - popsoap,

Popsoap pond filter pump kit - popsoap,

£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 - pond, koi

Efficient pond skimmer - pond, koi

£17.38
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Double standard nsa - double,

Double standard nsa - double,

£19.36
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Pack fish pond filter - pack, of

Pack fish pond filter - pack, of

£10.37
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Oase aquamax eco classic 5500 - aquamax,

Oase aquamax eco classic 5500 - aquamax,

£75.00
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5pcs pond filter - 5pcs, brushes,

5pcs pond filter - 5pcs, brushes,

£37.87
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56mm valterra slide gate - slide,

56mm valterra slide gate - slide,

£16.15
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Efficient pond skimmer - skimmer, koi

Efficient pond skimmer - skimmer, koi

£17.59
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5pcs fish pond filter - 5pcs,

5pcs fish pond filter - 5pcs,

£11.80
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Fish pond filter - pond, brush,

Fish pond filter - pond, brush,

£11.80
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38mm internal diameter - internal,

38mm internal diameter - internal,

£12.99
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Vivogrow 1050 gph bio pressure - vivogrow,

Vivogrow 1050 gph bio pressure - vivogrow,

£33.44
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Inch black media bag - black,

Inch black media bag - black,

£17.68
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Pond filter bag - pond,

Pond filter bag - pond,

£27.50
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Blagdon clean pond - blagdon, pack

Blagdon clean pond - blagdon, pack

£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 - tsurumi, fl-43

Tsurumi self priming - tsurumi, fl-43

£83.89
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Pond filter bag - pond,

Pond filter bag - pond,

£24.55
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Used kockney koi rotafold - used,

Used kockney koi rotafold - used,

£250.00
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Used evolution aqua nexus 200 - aqua,

Used evolution aqua nexus 200 - aqua,

£450.00
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Pond filter bag - filter, heavy

Pond filter bag - filter, heavy

£26.66
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Evolution aqua pond - aqua, k1

Evolution aqua pond - aqua, k1

£92.19
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Drum filter screen - screen, fit

Drum filter screen - screen, fit

£146.30
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Water control skimmer for - control, koi

Water control skimmer for - control, koi

£16.38
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Evolution aqua pond - aqua,

Evolution aqua pond - aqua,

£176.70
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Matala usa half sheet filter - matala,

Matala usa half sheet filter - matala,

£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, for

Efficient pond skimmer - pond, for

£21.13
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Poposoap rgb pond filter with - rgb,

Poposoap rgb pond filter with - rgb,

£27.12
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Pond pump energy saving for - pump,

Pond pump energy saving for - pump,

£49.99
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20mm flexible pond - x,

20mm flexible pond - x,

£14.99
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Heavy duty pond filter - heavy,

Heavy duty pond filter - heavy,

£22.91
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Pond filter bag - filter, with

Pond filter bag - filter, 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 - 800gph,

Reliable 800gph pond pump - 800gph,

£39.04
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Clean water treatment - clean, for

Clean water treatment - clean, for

£32.53
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Heavy duty pond - heavy,

Heavy duty pond - heavy,

£23.27
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Aquadyne filter c used - c,

Aquadyne filter c used - c,

£675.00
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Pond filter with fountain - with, pump

Pond filter with fountain - with, pump

£113.81
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£22.00
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Jebao used npu - jebao,

Jebao used npu - jebao,

£36.15
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Flexible pond hose - hose, corrugated

Flexible pond hose - hose, corrugated

£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 - genuine,

Genuine momotaro bakki - genuine,

£12.94
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Profidrum eco koi - eco, pond

Profidrum eco koi - eco, pond

£2607.70
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Matala power cyclone - matala,

Matala power cyclone - matala,

£763.78
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Lava rock filter media 9l - rock,

Lava rock filter media 9l - rock,

£16.15
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Aquadyne professional bead - professional,

Aquadyne professional bead - professional,

£669.70
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Nexus 300 garden pond koi - pond,

Nexus 300 garden pond koi - pond,

£414.70
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Pond filter with fountain pump - filter,

Pond filter with fountain pump - filter,

£110.37
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Filter tank for - koi, with

Filter tank for - koi, with

£73.50
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Vortec koi pond filter system - pond,

Vortec koi pond filter system - pond,

£305.00
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Alfagrog ceramic koi - koi, pond

Alfagrog ceramic koi - koi, pond

£16.15
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Vortex filter chambers for - filter,

Vortex filter chambers for - filter,

£208.70
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Oase 40347 aquamax eco - 40347,

Oase 40347 aquamax eco - 40347,

£99.43
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Pondmaster pond mag - pondmaster, pond-mag

Pondmaster pond mag - 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 - bay, filter

Kockney koi four bay - bay, filter

£156.69
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Pressurized biological pond - biological,

Pressurized biological pond - biological,

£208.35
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Kockney koi 5000v pond - kockney,

Kockney koi 5000v pond - kockney,

£297.10
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Kockney koi 10000v - 10000v, pond

Kockney koi 10000v - 10000v, pond

£501.40
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.64
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Oase pond filteclear - pond, 19000uvc

Oase pond filteclear - pond, 19000uvc

£312.70
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Koi pond ozone - ozone,

Koi pond ozone - ozone,

£1026.70
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All pond solutions fish - all,

All pond solutions fish - all,

£21.50
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Pond filter fountain - kit,, with

Pond filter fountain - kit,, with

£43.92
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Flexible rubber boot - flexible,

Flexible rubber boot - flexible,

£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 - 3, bay

Koi pond large - 3, bay

£465.70
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Pressurized pond filter with - pressurized,

Pressurized pond filter with - pressurized,

£193.87
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Kockney koi yamitsu power - kockney,

Kockney koi yamitsu power - kockney,

£465.70
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Pond filter with fountain pump - filter,

Pond filter with fountain pump - filter,

£108.19
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Large bio balls for - bio,

Large bio balls for - bio,

£44.28
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Ultra quiet 100w - quiet, pond

Ultra quiet 100w - quiet, pond

£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 filtration - koi,

Large koi pond filtration - koi,

£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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