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Used koi filter

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Evolution aqua cetus sieve - cetus,

Evolution aqua cetus sieve - cetus,

£291.90
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Pressurised koi pond filter - filter, uv

Pressurised koi pond filter - filter, uv

£349.99
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Auto cleaning pressurised - auto,

Auto cleaning pressurised - auto,

£159.99
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Pressurised koi pond filter - filter, uv

Pressurised koi pond filter - filter, uv

£169.99
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Large vortex chambers - large, for

Large vortex chambers - large, for

£156.70
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Fish mate powerclenz - mate,

Fish mate powerclenz - mate,

£119.99
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Aqua sure anti clog - aqua,

Aqua sure anti clog - aqua,

£34.99
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Used alfagrog koi pond - 1,

Used alfagrog koi pond - 1,

£2.99
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Pond koi filter brushes - brushes, used

Pond koi filter brushes - brushes, used

£44.39
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Popsoap pond filter - popsoap,

Popsoap pond filter - popsoap,

£40.13
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Kockney koi yamitsu - koi,

Kockney koi yamitsu - koi,

£68.30
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Double standard nsa - double,

Double standard nsa - double,

£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 vortex - koi,

Kockney koi pond vortex - koi,

£104.70
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Evolution aqua evo15 - aqua, koi

Evolution aqua evo15 - aqua, koi

£29.82
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Oase aquamax eco premium 000 - oase,

Oase aquamax eco premium 000 - 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 - 5pcs, brushes,

5pcs pond filter - 5pcs, brushes,

£13.33
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Koi bio media - , &

Koi bio media - , &

£104.70
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Drum filter screen fit - filter, to

Drum filter screen fit - filter, to

£146.30
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Pond one mantaray pumps - pond,

Pond one mantaray pumps - pond,

£140.06
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Pond filter bag with - filter, heavy

Pond filter bag with - filter, heavy

£24.55
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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 - sheet,

Matala usa half sheet filter - sheet,

£33.92
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Fish pond filter - 5x,

Fish pond filter - 5x,

£12.92
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Exclusive thick koi pond - exclusive, 2"

Exclusive thick koi pond - exclusive, 2"

£74.98
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20mm flexible pond - x,

20mm flexible pond - x,

£14.99
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Complete koi fish box filter - complete,

Complete koi fish box filter - complete,

£197.99
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Water control skimmer for koi - water,

Water control skimmer for koi - water,

£16.38
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For koi pond - for,

For koi pond - for,

£26.03
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Oase aquamax eco classic 5500 - oase,

Oase aquamax eco classic 5500 - oase,

£65.00
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Philips uvc replacement - 18,

Philips uvc replacement - 18,

£57.11
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£26.66
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Pack fish pond filter - pack,

Pack fish pond filter - pack,

£13.52
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Hecaty filter bag - filter, water

Hecaty filter bag - filter, water

£22.24
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Blagdon clean pond - clean,

Blagdon clean pond - clean,

£13.68
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Used kockney koi rotafold - used,

Used kockney koi rotafold - used,

£250.00
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Aquati koi ponds - aquati,

Aquati koi ponds - aquati,

£16.95
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Garden koi pond dual box - koi,

Garden koi pond dual box - koi,

£179.99
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Flexible pond hose - flexible,

Flexible pond hose - flexible,

£16.15
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38mm internal diameter - 38mm,

38mm internal diameter - 38mm,

£12.99
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Heavy duty pond - heavy, bag

Heavy duty pond - heavy, bag

£24.59
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Pond filter with fountain pump - filter,

Pond filter with fountain pump - filter,

£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 - pond,

Pond filter bag - pond,

£26.66
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5pcs fish pond filter - 5pcs,

5pcs fish pond filter - 5pcs,

£13.13
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Outdoor pond pump - outdoor,

Outdoor pond pump - outdoor,

£53.56
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Evolution aqua pond - k1,

Evolution aqua pond - k1,

£174.52
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Koi pond pressurized - koi,

Koi pond pressurized - koi,

£64.28
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Pond filter bag - pond,

Pond filter bag - pond,

£26.27
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Pondmaster pond mag magnetic - pondmaster, pond-mag

Pondmaster pond mag magnetic - pondmaster, pond-mag

£80.34
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5pcs fish pond - fish,

5pcs fish pond - fish,

£12.92
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Koi 10000v grp - filter, ,with

Koi 10000v grp - filter, ,with

£771.70
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Reliable 800gph pond - 800gph,

Reliable 800gph pond - 800gph,

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

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

£35.70
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Forever speed 1500l - forever,

Forever speed 1500l - forever,

£27.66
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Pond filter with fountain - filter, pump

Pond filter with fountain - filter, pump

£72.47
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Poposoap rgb pond filter - poposoap,

Poposoap rgb pond filter - poposoap,

£26.78
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Pond filter with fountain pump - filter,

Pond filter with fountain pump - filter,

£111.58
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Totalpond waterfall pump black - waterfall,

Totalpond waterfall pump black - waterfall,

£44.63
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Tsurumi self priming - self,

Tsurumi self priming - self,

£73.49
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Nexus 300 garden pond - ,

Nexus 300 garden pond - ,

£414.70
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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£218.38
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Tmc 4946 line koi pond - in,

Tmc 4946 line koi pond - 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 - totalpond,

Totalpond waterfall pump - totalpond,

£44.63
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Aquadyne filter c used - filter, 4.4c

Aquadyne filter c used - filter, 4.4c

£575.00
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Vortec koi pond - pond, filter

Vortec koi pond - pond, filter

£305.00
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£95.60
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Genuine momotaro bakki - kg,

Genuine momotaro bakki - kg,

£12.94
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Profidrum eco koi pond - eco,

Profidrum eco koi pond - eco,

£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 - power,

Matala power cyclone - power,

£754.34
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Oase 40347 aquamax - 40347, eco

Oase 40347 aquamax - 40347, eco

£98.20
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Filter tank for koi - filter, pond

Filter tank for koi - filter, pond

£73.50
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Yamitsu kockney koi - kockney,

Yamitsu kockney koi - kockney,

£31.90
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Kockney koi waterfall pond - kockney,

Kockney koi waterfall pond - kockney,

£63.10
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Kockney koi yamitsu - kockney,

Kockney koi yamitsu - kockney,

£465.70
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Pond filter with fountain pump - pond,

Pond filter with fountain pump - pond,

£109.01
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Kockney koi 18000v pond - kockney,

Kockney koi 18000v pond - kockney,

£700.30
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Vivogrow 1050 gph bio pressure - 1050,

Vivogrow 1050 gph bio pressure - 1050,

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

Aquamiracle all one koi - all-in-one,

£53.56
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Koi pond large vortex bay - pond,

Koi pond large vortex bay - pond,

£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 - evolution,

Evolution aqua nexus 320 - evolution,

£1128.70
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Oase pond filteclear 19000uvc - oase,

Oase pond filteclear 19000uvc - oase,

£312.70
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Rgb pond filter with water - rgb,

Rgb pond filter with water - rgb,

£62.48
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Pondmaster pond mag - pondmaster, pond-mag

Pondmaster pond mag - pondmaster, pond-mag

£66.95
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Koi pond filter - filter, system

Koi pond filter - filter, system

£695.20
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Pondxpert spinclean 000 pro - pondxpert, 50,000

Pondxpert spinclean 000 pro - pondxpert, 50,000

£414.70
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Jebao pressurised pond - jebao, filter

Jebao pressurised pond - jebao, filter

£84.99
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Swell pressurised pond filter - swell,

Swell pressurised pond filter - swell,

£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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