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Used koi filter

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Koi carp pond pump pre - carp,

Koi carp pond pump pre - carp,

£156.70 · Buy It Now

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Koi pond large vortex filter - koi,

Koi pond large vortex filter - koi,

£125.50 · Buy It Now

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Biling koi pond - koi, box

Biling koi pond - koi, box

£57.96 · Buy It Now

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Aquaforte tornado protein - aquaforte, 3

Aquaforte tornado protein - aquaforte, 3

£249.99 · Buy It Now

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Blagdon clean pond - clean, machine

Blagdon clean pond - clean, machine

£220.00 · Buy It Now

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Variflow koi fish pond - fish, pump

Variflow koi fish pond - fish, pump

£189.99 · Buy It Now

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Large 110mm pvc koi pond - large,

Large 110mm pvc koi pond - large,

£52.70 · Buy It Now

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Oase 3500 fountain - oase,

Oase 3500 fountain - oase,

£52.70 · Buy It Now

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Aqua sure anti - anti-clog, pre-filter

Aqua sure anti - anti-clog, pre-filter

£34.99 · Buy It Now

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50cm koi pond - pond, filter

50cm koi pond - pond, filter

£26.16 · Buy It Now

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10pcs koi pond - koi,

10pcs koi pond - koi,

£22.06 · Buy It Now

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Koi filter quarantine - koi, filter/quarantine

Koi filter quarantine - koi, filter/quarantine

£73.50 · Buy It Now

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Pond one mantaray pumps - one,

Pond one mantaray pumps - one,

£187.90 · Buy It Now

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Black knight koi fish pond - black,

Black knight koi fish pond - black,

£63.10 · Buy It Now

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Oase biokick cws - cws, filter

Oase biokick cws - cws, filter

£18.95 · Buy It Now

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Drum filter screen fit - drum, to

Drum filter screen fit - drum, to

£146.30 · Buy It Now

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Inch rubber straight - inch,

Inch rubber straight - inch,

£15.08 · Buy It Now

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Evolution aqua evo15 koi - uv,

Evolution aqua evo15 koi - uv,

£37.10 · Buy It Now

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Filter media bag pack of - of, 2

Filter media bag pack of - of, 2

£7.95 · Buy It Now

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Biological filter media 5 - k1,

Biological filter media 5 - k1,

£21.50 · Buy It Now

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5pcs pond filter - pond, koi

5pcs pond filter - pond, koi

£41.53 · Buy It Now

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Fish pond filter - fish, koi

Fish pond filter - fish, koi

£41.36 · Buy It Now

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Koi pond filter inlet - inlet, guard

Koi pond filter inlet - inlet, guard

£59.31 · Buy It Now

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Fish pond filter - 5x,

Fish pond filter - 5x,

£43.03 · Buy It Now

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Exclusive thick koi pond - 2",

Exclusive thick koi pond - 2",

£76.70 · Buy It Now

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Heavy duty pond - heavy,

Heavy duty pond - heavy,

£17.92 · Buy It Now

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Efficient pond skimmer - efficient, koi

Efficient pond skimmer - efficient, koi

£16.12 · Buy It Now

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Efficient pond skimmer - pond, koi

Efficient pond skimmer - pond, koi

£19.34 · Buy It Now

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Hecaty filter bag - bag, water

Hecaty filter bag - bag, water

£16.02 · Buy It Now

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Pond filter bag with - with, heavy

Pond filter bag with - with, heavy

£16.86 · Buy It Now

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Pond filter bag with - with, heavy

Pond filter bag with - with, heavy

£15.18 · Buy It Now

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Pond filter bag with heavy - with,

Pond filter bag with heavy - with,

£14.21 · Buy It Now

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Koi tunnel cave underwater - cave,

Koi tunnel cave underwater - cave,

£62.92 · Buy It Now

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Efficient pond skimmer for - efficient,

Efficient pond skimmer for - efficient,

£14.03 · Buy It Now

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Water control skimmer - control,

Water control skimmer - control,

£14.03 · Buy It Now

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5pcs fish pond - 5pcs, brushes

5pcs fish pond - 5pcs, brushes

£40.18 · Buy It Now

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Koi pond pressurized - pond,

Koi pond pressurized - pond,

£64.68 · Buy It Now

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Poposoap 20w solar pond - poposoap,

Poposoap 20w solar pond - poposoap,

£33.99 · Buy It Now

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Pound pump and filler - and, sistem

Pound pump and filler - and, sistem

£1212.62 · Buy It Now

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Used jebao npu 13w - jebao, npu-13w

Used jebao npu 13w - jebao, npu-13w

£35.92 · Buy It Now

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Pond drain skimmer for - for, outdoor

Pond drain skimmer for - for, outdoor

£20.92 · Buy It Now

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Pondmaster pond mag magnetic - pondmaster, pond-mag

Pondmaster pond mag magnetic - pondmaster, pond-mag

£80.84 · Buy It Now

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Water control skimmer - skimmer, for

Water control skimmer - skimmer, for

£20.28 · Buy It Now

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Hecaty filter bag water - hecaty,

Hecaty filter bag water - hecaty,

£14.45 · Buy It Now

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Koi vat pond - , quarantine

Koi vat pond - , quarantine

£350.00 · Buy It Now

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Matala usa half sheet - matala, filter

Matala usa half sheet - matala, filter

£38.63 · Buy It Now

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Used kockney koi rotafold - used,

Used kockney koi rotafold - used,

£250.00 · Buy It Now

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Hecaty filter bag - bag, water

Hecaty filter bag - bag, water

£16.03 · Buy It Now

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Evolution aqua pond - k1,

Evolution aqua pond - k1,

£175.60 · Buy It Now

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Blue matala filter mat - blue, mat-

Blue matala filter mat - blue, mat-

£62.87 · Buy It Now

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Evolution aqua pond - evolution, k1

Evolution aqua pond - evolution, k1

£91.62 · Buy It Now

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Evolution aqua nexus 200 koi - nexus,

Evolution aqua nexus 200 koi - nexus,

£617.95 · Buy It Now

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Poposoap rgb pond filter with - filter,

Poposoap rgb pond filter with - filter,

£33.68 · Buy It Now

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Kockney koi yamitsu - small, fish

Kockney koi yamitsu - small, fish

£73.50 · Buy It Now

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Totalpond 1200 gph waterfall - 1200,

Totalpond 1200 gph waterfall - 1200,

£80.84 · Buy It Now

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Aquadyne professional bead - aquadyne,

Aquadyne professional bead - aquadyne,

£720.70 · Buy It Now

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Pressurized biological pond - pressurized,

Pressurized biological pond - pressurized,

£255.92 · Buy It Now

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Profidrum eco koi - eco, pond

Profidrum eco koi - eco, pond

£2607.70 · Buy It Now

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Pond filter with fountain - with,

Pond filter with fountain - with,

£109.69 · Buy It Now

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Aquadyne used koi pond - c,

Aquadyne used koi pond - c,

£775.00 · Buy It Now

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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£26.94 · Buy It Now

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Pressurized pond filter with - pond,

Pressurized pond filter with - pond,

£232.02 · Buy It Now

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Totalpond 1200 gph - totalpond,

Totalpond 1200 gph - totalpond,

£49.36 · Buy It Now

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Oase 40347 aquamax eco - oase, classic

Oase 40347 aquamax eco - oase, classic

£98.81 · Buy It Now

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Pond koi bead filter - bead,

Pond koi bead filter - bead,

£255.50 · Buy It Now

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Job lot hozelock easyclear - job-lot,

Job lot hozelock easyclear - job-lot,

£35.00 · Buy It Now

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Aquagarden universal - aquagarden,

Aquagarden universal - aquagarden,

£31.44 · Buy It Now

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Pondmaster pond mag magnetic - pondmaster,

Pondmaster pond mag magnetic - pondmaster,

£94.31 · Buy It Now

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2000 gph submersible pond - gph,

2000 gph submersible pond - gph,

£143.72 · Buy It Now

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Pond biological filtration - biological,

Pond biological filtration - biological,

£52.70 · Buy It Now

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Barst 5500gph submersible - barst,

Barst 5500gph submersible - barst,

£102.16 · Buy It Now

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Filter tank for - koi, pond

Filter tank for - koi, pond

£73.50 · Buy It Now

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Complete koi pond - koi,

Complete koi pond - koi,

£486.10 · Buy It Now

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Totalpond waterfall pump black - waterfall,

Totalpond waterfall pump black - waterfall,

£130.79 · Buy It Now

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Barst 5000gph submersible - 5000gph,

Barst 5000gph submersible - 5000gph,

£102.16 · Buy It Now

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Evolution aqua nexus 220 - nexus,

Evolution aqua nexus 220 - nexus,

£1026.70 · Buy It Now

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Pond filter with fountain - filter,

Pond filter with fountain - filter,

£95.58 · Buy It Now

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Pond filter with - filter,

Pond filter with - filter,

£83.98 · Buy It Now

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Hozelock aquaforce 8000 - hozelock,

Hozelock aquaforce 8000 - hozelock,

£31.90 · Buy It Now

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Evolution aqua tempest - evolution,

Evolution aqua tempest - evolution,

£182.70 · Buy It Now

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Koi pond filter - system, &

Koi pond filter - system, &

£312.70 · Buy It Now

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Pond filter with fountain - pond,

Pond filter with fountain - pond,

£96.74 · Buy It Now

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Aquascape aquasurge 3000 - aquascape,

Aquascape aquasurge 3000 - aquascape,

£300.92 · Buy It Now

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Matala power cyclone - power,

Matala power cyclone - power,

£759.03 · Buy It Now

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Commercial grade heavy pvc - commercial,

Commercial grade heavy pvc - commercial,

£223.82 · Buy It Now

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Koi pond large - 3, bay

Koi pond large - 3, bay

£465.70 · Buy It Now

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Kockney vortex filter - , box

Kockney vortex filter - , box

£16.15 · Buy It Now

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Koi bowl inspection - 54,

Koi bowl inspection - 54,

£27.00 · Buy It Now

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Commercial grade heavy - heavy, pvc

Commercial grade heavy - heavy, pvc

£403.47 · Buy It Now

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Koi pond ozone - pond,

Koi pond ozone - pond,

£1026.70 · Buy It Now

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Aqua seive - aqua,

Aqua seive - aqua,

£350.00 · Buy It Now

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Momotaro stainless steel - momotaro, 4

Momotaro stainless steel - momotaro, 4

£699.99 · Buy It Now

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Genesis series 3500 - , koi

Genesis series 3500 - , koi

£31.90 · Buy It Now

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Vortex filter for koi pond - filter,

Vortex filter for koi pond - filter,

£73.50 · Buy It Now

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Ultra quiet 100w - quiet,

Ultra quiet 100w - quiet,

£83.75 · Buy It Now

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Compact fountain pump - compact, 5w

Compact fountain pump - compact, 5w

£16.99 · Buy It Now

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📊96 listings · from £7.95 · avg £189.96

Browse 96 used koi filter listings currently in our index. Prices range from £7.95 to £2607.7, with an average of £189.96. 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 £7.95, while premium listings can reach £2607.7 — giving you a wide budget spread to work with. The average price of £189.96 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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