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Used koi filter

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Evolution aqua cetus - aqua,

Evolution aqua cetus - aqua,

£291.90
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Pressurised koi pond filter - koi,

Pressurised koi pond filter - koi,

£349.99
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Auto cleaning pressurised - auto,

Auto cleaning pressurised - auto,

£159.99
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Pressurised koi pond filter - pressurised,

Pressurised koi pond filter - pressurised,

£169.99
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Large vortex chambers for - vortex, koi

Large vortex chambers for - vortex, koi

£156.70
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Fish mate powerclenz 10000 puv - mate,

Fish mate powerclenz 10000 puv - mate,

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

Aqua sure anti clog pre - sure, anti-clog

£34.99
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Used alfagrog koi pond - 1, kg

Used alfagrog koi pond - 1, kg

£2.99
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Pond koi filter - brushes, used

Pond koi filter - brushes, used

£44.39
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Popsoap pond filter pump kit - pond,

Popsoap pond filter pump kit - pond,

£40.13
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Kockney koi yamitsu small - koi, fish

Kockney koi yamitsu small - koi, fish

£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 - pond,

Kockney koi pond vortex - pond,

£104.70
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Evolution aqua evo15 koi - uv,

Evolution aqua evo15 koi - uv,

£29.82
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Oase aquamax eco premium - premium, 8,000

Oase aquamax eco premium - premium, 8,000

£156.70
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Oase biokick cws 200ml filter - oase,

Oase biokick cws 200ml filter - oase,

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

5pcs pond filter brushes - 5pcs, brushes,

£13.33
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Koi bio media black - koi,

Koi bio media black - koi,

£104.70
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Drum filter screen - filter,

Drum filter screen - filter,

£146.30
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Pond one mantaray - one, pumps

Pond one mantaray - one, pumps

£140.06
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Pond filter bag with - filter,

Pond filter bag with - filter,

£24.55
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Pond filter bag with heavy - pond,

Pond filter bag with heavy - pond,

£27.50
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Matala usa half sheet - half, filter

Matala usa half sheet - half, filter

£33.92
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Fish pond filter - brush,, koi

Fish pond filter - brush,, koi

£12.92
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Exclusive thick koi - thick, pond

Exclusive thick koi - thick, pond

£74.98
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20mm flexible pond - flexible,

20mm flexible pond - flexible,

£14.99
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Complete koi fish box filter - box,

Complete koi fish box filter - box,

£197.99
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Water control skimmer - water,

Water control skimmer - water,

£16.38
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For koi pond - for,

For koi pond - for,

£26.03
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Oase aquamax eco - eco, classic

Oase aquamax eco - eco, classic

£65.00
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Philips uvc replacement - 18, x

Philips uvc replacement - 18, x

£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 - 5,

Pack fish pond filter - 5,

£13.52
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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£22.24
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Blagdon clean pond pods - clean,

Blagdon clean pond pods - clean,

£13.68
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Used kockney koi rotafold - koi,

Used kockney koi rotafold - koi,

£250.00
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Aquati koi ponds - koi, &

Aquati koi ponds - koi, &

£16.95
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Garden koi pond dual - dual, box

Garden koi pond dual - dual, 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 bag - heavy,

Heavy duty pond filter bag - heavy,

£24.59
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Pond filter with - pond, fountain

Pond filter with - pond, fountain

£116.94
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£91.05
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Pond filter bag with - with, heavy

Pond filter bag with - with, heavy

£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 for koi - for,

Outdoor pond pump for koi - for,

£53.56
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Evolution aqua pond - evolution,

Evolution aqua pond - evolution,

£174.52
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Koi pond pressurized bio - koi,

Koi pond pressurized bio - koi,

£64.28
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Pond filter bag - pond, heavy

Pond filter bag - pond, heavy

£26.27
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Pondmaster pond mag - pondmaster, pond-mag

Pondmaster pond mag - pondmaster, pond-mag

£80.34
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5pcs fish pond filter - filter, brushes

5pcs fish pond filter - filter, brushes

£12.92
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Koi 10000v grp filter with - 10000v,

Koi 10000v grp filter with - 10000v,

£771.70
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Reliable 800gph pond - 800gph, pump

Reliable 800gph pond - 800gph, pump

£39.27
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Jebao used npu - jebao, uv

Jebao used npu - jebao, 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 - fountain, pump

Pond filter with fountain - fountain, pump

£72.47
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Poposoap rgb pond - rgb, filter

Poposoap rgb pond - rgb, filter

£26.78
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Pond filter with fountain - fountain, pump

Pond filter with fountain - fountain, pump

£111.58
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Totalpond waterfall pump black - pump,

Totalpond waterfall pump black - pump,

£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

Nexus 300 garden pond - , koi

£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 - tmc,

Tmc 4946 line koi pond - tmc,

£52.70
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Large bio balls for - bio,

Large bio balls for - bio,

£43.74
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Totalpond waterfall pump - totalpond,

Totalpond waterfall pump - totalpond,

£44.63
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Aquadyne filter c used - aquadyne,

Aquadyne filter c used - aquadyne,

£575.00
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Vortec koi pond filter system - koi,

Vortec koi pond filter system - koi,

£305.00
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Pond filter with fountain - pond,

Pond filter with fountain - pond,

£95.60
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Genuine momotaro bakki - genuine,

Genuine momotaro bakki - genuine,

£12.94
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Profidrum eco koi pond - 65/40,

Profidrum eco koi pond - 65/40,

£2607.70
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Pressurized pond filter with - filter,

Pressurized pond filter with - filter,

£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 eco classic - oase,

Oase 40347 aquamax eco classic - oase,

£98.20
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Filter tank for - filter,

Filter tank for - filter,

£73.50
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Yamitsu kockney koi mega - yamitsu, black

Yamitsu kockney koi mega - yamitsu, black

£31.90
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Kockney koi waterfall pond - koi,

Kockney koi waterfall pond - koi,

£63.10
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Kockney koi yamitsu power fall - kockney,

Kockney koi yamitsu power fall - 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 - kockney,

Kockney koi 18000v - kockney,

£700.30
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Vivogrow 1050 gph - gph, bio

Vivogrow 1050 gph - gph, bio

£33.02
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Aquamiracle all one - aquamiracle, koi

Aquamiracle all one - aquamiracle, koi

£53.56
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Koi pond large - koi,

Koi pond large - koi,

£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 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 magnetic - pondmaster,

Pondmaster pond mag magnetic - pondmaster,

£66.95
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Koi pond filter system - pond,

Koi pond filter system - pond,

£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 - pressurised,

Jebao pressurised pond filter - pressurised,

£84.99
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Swell pressurised pond filter - pressurised,

Swell pressurised pond filter - pressurised,

£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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