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Used koi filter

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Evolution aqua cetus sieve - evolution,

Evolution aqua cetus sieve - evolution,

£291.90
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Pressurised koi pond filter - pond,

Pressurised koi pond filter - pond,

£349.99
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Auto cleaning pressurised - auto, koi

Auto cleaning pressurised - auto, koi

£159.99
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Pressurised koi pond - koi,

Pressurised koi pond - koi,

£169.99
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Large vortex chambers for - large, koi

Large vortex chambers for - large, koi

£156.70
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Fish mate powerclenz - fish,

Fish mate powerclenz - fish,

£119.99
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Aqua sure anti clog pre - aqua,

Aqua sure anti clog pre - aqua,

£34.99
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Used alfagrog koi - koi, pond

Used alfagrog koi - koi, pond

£2.99
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Pond koi filter brushes - filter, used

Pond koi filter brushes - filter, used

£44.39
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Popsoap pond filter - pond, kit

Popsoap pond filter - pond, kit

£40.13
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Kockney koi yamitsu small fish - yamitsu,

Kockney koi yamitsu small fish - yamitsu,

£68.30
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Double standard nsa - double, house

Double standard nsa - double, house

£14.01
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Biological filter media 5 - k1,

Biological filter media 5 - k1,

£21.50
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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50
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Kockney koi pond - kockney, vortex

Kockney koi pond - kockney, vortex

£104.70
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Evolution aqua evo15 - uv, koi

Evolution aqua evo15 - uv, koi

£29.82
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Oase aquamax eco premium - oase,

Oase aquamax eco premium - oase,

£156.70
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Oase biokick cws 200ml - oase,

Oase biokick cws 200ml - oase,

£19.95
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5pcs pond filter brushes koi - 5pcs,

5pcs pond filter brushes koi - 5pcs,

£13.33
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Koi bio media - , &

Koi bio media - , &

£104.70
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Drum filter screen fit - filter,

Drum filter screen fit - filter,

£146.30
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Pond one mantaray - pond, pumps

Pond one mantaray - pond, pumps

£140.06
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Pond filter bag - pond,

Pond filter bag - pond,

£24.55
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Pond filter bag with - filter,

Pond filter bag with - filter,

£27.50
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Matala usa half sheet filter - matala,

Matala usa half sheet filter - matala,

£33.92
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Fish pond filter brush koi - pond,

Fish pond filter brush koi - pond,

£12.92
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Exclusive thick koi pond - exclusive,

Exclusive thick koi pond - exclusive,

£74.98
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20mm flexible pond - x,

20mm flexible pond - x,

£14.99
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Complete koi fish - complete,

Complete koi fish - complete,

£197.99
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Water control skimmer for - skimmer, koi

Water control skimmer for - skimmer, koi

£16.38
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For koi pond - for, skimmer

For koi pond - for, skimmer

£26.03
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Oase aquamax eco - oase,

Oase aquamax eco - oase,

£65.00
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Philips uvc replacement - philips,

Philips uvc replacement - philips,

£57.11
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Hecaty filter bag - filter,

Hecaty filter bag - filter,

£26.66
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Pack fish pond - pond, filter

Pack fish pond - pond, filter

£13.52
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Hecaty filter bag water - filter,

Hecaty filter bag water - filter,

£22.24
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Blagdon clean pond - blagdon, 6

Blagdon clean pond - blagdon, 6

£13.68
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Used kockney koi rotafold - kockney,

Used kockney koi rotafold - kockney,

£250.00
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Aquati koi ponds - aquati, &

Aquati koi ponds - aquati, &

£16.95
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Garden koi pond - garden, box

Garden koi pond - garden, box

£179.99
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Flexible pond hose - flexible,

Flexible pond hose - flexible,

£16.15
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38mm internal diameter - internal,

38mm internal diameter - internal,

£12.99
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Heavy duty pond filter - heavy,

Heavy duty pond filter - heavy,

£24.59
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Pond filter with fountain pump - with,

Pond filter with fountain pump - with,

£116.94
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Evolution aqua pond - aqua, k1

Evolution aqua pond - aqua, k1

£91.05
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Pond filter bag with - filter,

Pond filter bag with - filter,

£26.66
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5pcs fish pond filter - fish,

5pcs fish pond filter - fish,

£13.13
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Outdoor pond pump - for, koi

Outdoor pond pump - for, koi

£53.56
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Evolution aqua pond - evolution, k1

Evolution aqua pond - evolution, k1

£174.52
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Koi pond pressurized - koi,

Koi pond pressurized - koi,

£64.28
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Pond filter bag with heavy - bag,

Pond filter bag with heavy - bag,

£26.27
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Pondmaster pond mag magnetic - pond-mag,

Pondmaster pond mag magnetic - pond-mag,

£80.34
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5pcs fish pond - fish, filter

5pcs fish pond - fish, filter

£12.92
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Koi 10000v grp filter - 10000v,

Koi 10000v grp filter - 10000v,

£771.70
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Reliable 800gph pond pump - reliable,

Reliable 800gph pond pump - reliable,

£39.27
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Jebao used npu 13w - used, npu-13w

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

£35.70
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Forever speed 1500l - forever, 1500l/h

Forever speed 1500l - forever, 1500l/h

£27.66
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Pond filter with - pond, pump

Pond filter with - pond, pump

£72.47
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Poposoap rgb pond - poposoap,

Poposoap rgb pond - poposoap,

£26.78
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£111.58
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Totalpond waterfall pump - waterfall, black

Totalpond waterfall pump - waterfall, black

£44.63
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Tsurumi self priming - tsurumi,

Tsurumi self priming - tsurumi,

£73.49
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Nexus 300 garden pond koi - 300,

Nexus 300 garden pond koi - 300,

£414.70
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£218.38
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Tmc 4946 line koi - tmc, in

Tmc 4946 line koi - tmc, in

£52.70
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Large bio balls for - large,

Large bio balls for - large,

£43.74
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Totalpond waterfall pump - waterfall,

Totalpond waterfall pump - waterfall,

£44.63
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Aquadyne filter c used - filter,

Aquadyne filter c used - filter,

£575.00
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Vortec koi pond filter - vortec,

Vortec koi pond filter - vortec,

£305.00
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Pond filter with fountain pump - filter,

Pond filter with fountain pump - filter,

£95.60
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Genuine momotaro bakki - genuine,

Genuine momotaro bakki - genuine,

£12.94
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Profidrum eco koi - profidrum,

Profidrum eco koi - profidrum,

£2607.70
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Pressurized pond filter with - pressurized,

Pressurized pond filter with - pressurized,

£202.77
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Equipment from decommissioned

Equipment from decommissioned

£516.70
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.25
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Matala power cyclone - matala,

Matala power cyclone - matala,

£754.34
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Oase 40347 aquamax eco classic - oase,

Oase 40347 aquamax eco classic - oase,

£98.20
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Filter tank for koi pond - filter,

Filter tank for koi pond - filter,

£73.50
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Yamitsu kockney koi mega black - kockney,

Yamitsu kockney koi mega black - kockney,

£31.90
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Kockney koi waterfall pond - waterfall,

Kockney koi waterfall pond - waterfall,

£63.10
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Kockney koi yamitsu power - kockney,

Kockney koi yamitsu power - kockney,

£465.70
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Pond filter with - with, fountain

Pond filter with - with, fountain

£109.01
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Kockney koi 18000v pond - 18000v, filter

Kockney koi 18000v pond - 18000v, filter

£700.30
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Vivogrow 1050 gph bio - vivogrow,

Vivogrow 1050 gph bio - vivogrow,

£33.02
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Aquamiracle all one - all-in-one, koi

Aquamiracle all one - all-in-one, koi

£53.56
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Koi pond large vortex bay - koi, 3

Koi pond large vortex bay - koi, 3

£465.70
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Koi pond filter system - , &

Koi pond filter system - , &

£312.70
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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£26.77
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Evolution aqua nexus 320 with - aqua,

Evolution aqua nexus 320 with - aqua,

£1128.70
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Oase pond filteclear - pond,

Oase pond filteclear - pond,

£312.70
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Rgb pond filter with - with, water

Rgb pond filter with - with, water

£62.48
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Pondmaster pond mag magnetic - pond-mag,

Pondmaster pond mag magnetic - pond-mag,

£66.95
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Koi pond filter system - koi,

Koi pond filter system - koi,

£695.20
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Pondxpert spinclean 000 pro - pondxpert,

Pondxpert spinclean 000 pro - pondxpert,

£414.70
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Jebao pressurised pond filter - jebao,

Jebao pressurised pond filter - jebao,

£84.99
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Swell pressurised pond - swell, filter

Swell pressurised pond - swell, filter

£112.99
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📊96 listings · from £2.99 · avg £171.28

Browse 96 used koi filter listings currently in our index. Prices range from £2.99 to £2607.7, with an average of £171.28. 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 £171.28 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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