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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 - 2,

Litres used kaldnes - 2,

£5.99
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Variflow koi fish - fish, pump

Variflow koi fish - fish, pump

£189.99
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Tmc 4946 line koi - 4946, pond

Tmc 4946 line koi - 4946, pond

£52.70
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Pro clear uv30 - pond, for

Pro clear uv30 - pond, for

£1026.70
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Blagdon inpond one - blagdon, 3000

Blagdon inpond one - blagdon, 3000

£37.10
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Evolution aqua evo15 - evolution,

Evolution aqua evo15 - evolution,

£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 - anti-clog, pre-filter

Aqua sure anti - anti-clog, pre-filter

£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 - 1, pond

Used alfagrog koi - 1, 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,

Large vortex chambers - large,

£156.70
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Pond one mantaray pumps - pond,

Pond one mantaray pumps - pond,

£140.06
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Koi pond filter - pond, oase

Koi pond filter - pond, oase

£52.70
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Evolution aqua evo15 koi - evolution,

Evolution aqua evo15 koi - evolution,

£29.82
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Popsoap pond filter pump - filter, kit

Popsoap pond filter pump - filter, kit

£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 - efficient,

Efficient pond skimmer - efficient,

£17.38
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Double standard nsa house - double,

Double standard nsa house - double,

£19.36
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Pack fish pond filter - pack,

Pack fish pond filter - pack,

£10.37
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Oase aquamax eco - aquamax, classic

Oase aquamax eco - aquamax, classic

£75.00
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5pcs pond filter - pond, brushes,

5pcs pond filter - pond, brushes,

£37.87
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56mm valterra slide - slide, gate

56mm valterra slide - slide, gate

£16.15
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Efficient pond skimmer for koi - skimmer,

Efficient pond skimmer for koi - skimmer,

£17.59
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5pcs fish pond - fish, filter

5pcs fish pond - fish, filter

£11.80
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Fish pond filter brush koi - pond,

Fish pond filter brush koi - pond,

£11.80
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38mm internal diameter - internal,

38mm internal diameter - internal,

£12.99
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Vivogrow 1050 gph - gph, pressure

Vivogrow 1050 gph - gph, pressure

£33.44
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Inch black media bag - 5-inch,

Inch black media bag - 5-inch,

£17.68
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Pond filter bag with - pond,

Pond filter bag with - pond,

£27.50
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Blagdon clean pond pods - clean, pack

Blagdon clean pond pods - clean, pack

£15.99
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Exclusive thick koi pond - koi,

Exclusive thick koi pond - koi,

£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 with heavy - with,

Pond filter bag with heavy - with,

£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 - used,

Used evolution aqua nexus - used,

£450.00
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Pond filter bag - with, heavy

Pond filter bag - with, heavy

£26.66
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£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 koi - for,

Water control skimmer for koi - for,

£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 filter - matala,

Matala usa half sheet filter - matala,

£34.35
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Koi pond pressurized bio - pond,

Koi pond pressurized bio - pond,

£65.08
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Hecaty filter bag water - filter,

Hecaty filter bag water - filter,

£26.66
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Efficient pond skimmer for - pond,

Efficient pond skimmer for - pond,

£21.13
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Poposoap rgb pond - pond, filter

Poposoap rgb pond - pond, filter

£27.12
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Pond pump energy saving - pump, for

Pond pump energy saving - pump, for

£49.99
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20mm flexible pond - 9.2m,

20mm flexible pond - 9.2m,

£14.99
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Heavy duty pond - heavy, bag

Heavy duty pond - heavy, bag

£22.91
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Pond filter bag with - bag,

Pond filter bag with - bag,

£27.65
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Pond filter bag with heavy - pond,

Pond filter bag with heavy - 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 - clean,

Clean water treatment for koi - clean,

£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 - aquadyne,

Aquadyne filter c - aquadyne,

£675.00
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Pond filter with fountain - pond, pump

Pond filter with fountain - pond, 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 13w - jebao, npu-13w

Jebao used npu 13w - jebao, npu-13w

£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 - all-in-one, koi

Aquamiracle all one - all-in-one, koi

£54.23
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Genuine momotaro bakki - momotaro,

Genuine momotaro bakki - momotaro,

£12.94
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Profidrum eco koi - profidrum,

Profidrum eco koi - profidrum,

£2607.70
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Matala power cyclone - power,

Matala power cyclone - power,

£763.78
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Lava rock filter - , 9l

Lava rock filter - , 9l

£16.15
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Aquadyne professional bead - professional,

Aquadyne professional bead - professional,

£669.70
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Nexus 300 garden - 300, pond

Nexus 300 garden - 300, pond

£414.70
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Pond filter with fountain - filter, pump

Pond filter with fountain - filter, pump

£110.37
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Filter tank for - filter, koi

Filter tank for - filter, koi

£73.50
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Vortec koi pond filter - pond, system

Vortec koi pond filter - pond, system

£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 - chambers,

Vortex filter chambers for - chambers,

£208.70
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Oase 40347 aquamax - eco, classic

Oase 40347 aquamax - eco, classic

£99.43
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Pondmaster pond mag - pond-mag, magnetic

Pondmaster pond mag - pond-mag, magnetic

£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 pond filter - kockney,

Kockney koi 5000v pond filter - kockney,

£297.10
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Kockney koi 10000v pond - 10000v,

Kockney koi 10000v pond - 10000v,

£501.40
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.64
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Oase pond filteclear - pond,

Oase pond filteclear - pond,

£312.70
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Koi pond ozone - pond,

Koi pond ozone - pond,

£1026.70
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All pond solutions fish - fish,

All pond solutions fish - fish,

£21.50
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Pond filter fountain - fountain, with

Pond filter fountain - fountain, with

£43.92
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Flexible rubber boot - rubber,

Flexible rubber boot - rubber,

£16.95
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Koi pond filter system - koi,

Koi pond filter system - koi,

£695.20
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Koi pond large vortex bay - koi,

Koi pond large vortex bay - koi,

£465.70
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Pressurized pond filter with - pond,

Pressurized pond filter with - pond,

£193.87
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Kockney koi yamitsu power - koi, fall

Kockney koi yamitsu power - koi, fall

£465.70
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Pond filter with fountain - pond,

Pond filter with fountain - 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 - 100w,

Ultra quiet 100w pond - 100w,

£95.80
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Showingo watt bulb lamp - 36, uv

Showingo watt bulb lamp - 36, uv

£37.96
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Aqua seive - aqua,

Aqua seive - aqua,

£350.00
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Large koi pond filtration - pond,

Large koi pond filtration - pond,

£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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