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Used koi filter

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Variflow koi fish pond pump - koi,

Variflow koi fish pond pump - koi,

£189.99
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Auto cleaning pressurised koi - auto,

Auto cleaning pressurised koi - auto,

£349.99
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Jebao pressurised pond filter - jebao,

Jebao pressurised pond filter - jebao,

£84.99
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Pressurised koi pond filter - filter, uv

Pressurised koi pond filter - filter, uv

£199.99
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Jebao pond pump submersible - jebao,

Jebao pond pump submersible - jebao,

£39.70
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Lotus genie - 48000, filter

Lotus genie - 48000, filter

£219.99
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Used alfagrog koi pond - kg,

Used alfagrog koi pond - kg,

£2.99
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Koi pond filter - pond, genuine

Koi pond filter - pond, genuine

£52.70
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Fish mate powerclenz - fish,

Fish mate powerclenz - fish,

£119.99
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Aqua sure anti clog - sure, anti-clog

Aqua sure anti clog - sure, anti-clog

£34.99
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Evolution aqua varipump 20000 - varipump,

Evolution aqua varipump 20000 - varipump,

£249.95
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Oase pontec multiclear - oase, 15000

Oase pontec multiclear - oase, 15000

£159.99
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Oase pontec pondomax 3500 - @,

Oase pontec pondomax 3500 - @,

£78.45
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Pond koi filter brushes used - koi,

Pond koi filter brushes used - koi,

£44.39
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Kockney koi pond vortex - pond,

Kockney koi pond vortex - pond,

£104.70
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Biological filter media - k1,

Biological filter media - k1,

£21.50
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Large vortex chambers - vortex, for

Large vortex chambers - vortex, for

£156.70
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Popsoap pond filter - popsoap,

Popsoap pond filter - popsoap,

£45.76
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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50
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Oase aquamax eco - oase, 8,000

Oase aquamax eco - oase, 8,000

£156.70
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Hozelock aquaforce 8000 - aquaforce,

Hozelock aquaforce 8000 - aquaforce,

£52.70
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Evolution aqua evo15 koi - evolution,

Evolution aqua evo15 koi - evolution,

£29.82
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5pcs pond filter brushes koi - pond,

5pcs pond filter brushes koi - pond,

£13.33
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Oase biokick cws 200ml filter - oase,

Oase biokick cws 200ml filter - oase,

£19.95
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Double standard nsa house - standard,

Double standard nsa house - standard,

£19.36
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Pond one mantaray - one,

Pond one mantaray - one,

£140.06
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Pond filter bag - with, heavy

Pond filter bag - with, heavy

£23.33
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Pack fish pond - fish,

Pack fish pond - fish,

£12.80
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Inch black media bag - media,

Inch black media bag - media,

£17.68
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Efficient pond skimmer for - for, koi

Efficient pond skimmer for - for, koi

£19.33
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Philips uvc replacement - x,

Philips uvc replacement - x,

£57.68
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38mm internal diameter - 38mm,

38mm internal diameter - 38mm,

£12.99
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5pcs fish pond filter - 5pcs, brushes

5pcs fish pond filter - 5pcs, brushes

£11.80
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For koi pond - for,

For koi pond - for,

£26.03
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Exclusive thick koi pond - exclusive,

Exclusive thick koi pond - exclusive,

£75.63
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Fish pond filter - 5x,

Fish pond filter - 5x,

£11.80
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£127.85
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20mm flexible pond - x,

20mm flexible pond - x,

£14.99
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Pressurised koi pond filter - pressurised,

Pressurised koi pond filter - pressurised,

£349.99
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Swell pressure filter - swell, uk

Swell pressure filter - swell, uk

£172.99
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Pond filter bag with heavy - filter,

Pond filter bag with heavy - filter,

£27.50
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Matala usa half sheet filter - usa,

Matala usa half sheet filter - usa,

£34.22
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Used kockney koi - kockney, rotafold

Used kockney koi - kockney, rotafold

£250.00
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Used evolution aqua nexus - evolution,

Used evolution aqua nexus - evolution,

£495.00
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£26.66
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5pcs fish pond filter - 5pcs,

5pcs fish pond filter - 5pcs,

£11.81
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Water control skimmer - for, koi

Water control skimmer - for, koi

£16.38
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£91.84
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Pond filter bag with heavy - pond,

Pond filter bag with heavy - pond,

£26.66
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Pond filter with fountain pump - with,

Pond filter with fountain pump - with,

£134.16
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£176.03
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Vivogrow 1050 gph bio pressure - vivogrow,

Vivogrow 1050 gph bio pressure - vivogrow,

£33.31
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Pond filter bag - pond,

Pond filter bag - pond,

£25.99
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£23.65
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Blagdon clean pond - clean,

Blagdon clean pond - clean,

£13.99
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Drum filter screen - drum,

Drum filter screen - drum,

£146.30
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Clean water treatment for koi - clean,

Clean water treatment for koi - clean,

£30.79
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Jebao used npu - used, uv

Jebao used npu - used, uv

£36.01
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Koi pond pressurized bio - pressurized,

Koi pond pressurized bio - pressurized,

£64.83
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Heavy duty pond filter - filter, bag

Heavy duty pond filter - filter, bag

£22.91
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Pond filter bag with heavy - pond,

Pond filter bag with heavy - pond,

£24.49
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Tsurumi self priming - tsurumi,

Tsurumi self priming - tsurumi,

£83.89
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£207.55
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Oase aquamax eco - oase, 5500

Oase aquamax eco - oase, 5500

£65.00
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Heavy duty pond filter bag - duty,

Heavy duty pond filter bag - duty,

£24.59
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Efficient pond skimmer - pond,

Efficient pond skimmer - pond,

£21.13
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Reliable 800gph pond - 800gph,

Reliable 800gph pond - 800gph,

£35.65
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Totalpond waterfall pump - s,

Totalpond waterfall pump - s,

£45.01
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Poposoap rgb pond - rgb, filter

Poposoap rgb pond - rgb, filter

£36.02
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Flexible pond hose corrugated - flexible,

Flexible pond hose corrugated - flexible,

£30.86
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Totalpond waterfall pump - waterfall,

Totalpond waterfall pump - waterfall,

£45.01
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Pressurized pond filter - filter, with

Pressurized pond filter - filter, with

£193.13
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Pondmaster pond mag - pondmaster, pond-mag

Pondmaster pond mag - pondmaster, pond-mag

£81.03
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Pond fountain pump - fountain,

Pond fountain pump - fountain,

£38.44
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Kockney koi 5000v - 5000v, pond

Kockney koi 5000v - 5000v, pond

£271.10
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Kockney koi 5000v - koi, filter

Kockney koi 5000v - koi, filter

£271.10
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Evolution aqua nexus 320 koi - evolution,

Evolution aqua nexus 320 koi - evolution,

£715.60
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Tmc 4946 line koi - line, pond

Tmc 4946 line koi - line, pond

£52.70
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Large bio balls for - bio, 1.25”

Large bio balls for - bio, 1.25”

£44.11
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Genuine momotaro bakki - momotaro,

Genuine momotaro bakki - momotaro,

£12.94
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Profidrum eco koi pond - profidrum,

Profidrum eco koi pond - profidrum,

£2607.70
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All pond solutions - fish,

All pond solutions - fish,

£21.50
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Pondmaster pond mag - pondmaster, magnetic

Pondmaster pond mag - pondmaster, magnetic

£67.53
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Aquadyne professional bead - aquadyne,

Aquadyne professional bead - aquadyne,

£669.70
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£27.01
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Nexus 300 garden pond - ,

Nexus 300 garden pond - ,

£414.70
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Koi pond ozone - ozone,

Koi pond ozone - ozone,

£1026.70
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Aquadyne filter c - aquadyne, used

Aquadyne filter c - aquadyne, used

£575.00
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Pond filter with fountain - fountain, pump

Pond filter with fountain - fountain, pump

£109.95
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£96.42
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Lava rock filter - rock,

Lava rock filter - rock,

£16.15
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Filter tank for - filter, with

Filter tank for - filter, with

£73.50
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.51
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Pressurised complete pond - complete,

Pressurised complete pond - complete,

£164.99
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Swell pond filter box 000 - pond,

Swell pond filter box 000 - pond,

£252.99
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📊96 listings · from £2.99 · avg £148.51

Browse 96 used koi filter listings currently in our index. Prices range from £2.99 to £2607.7, with an average of £148.51. 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 £148.51 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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