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Koi filter

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Koi filter for sale on largest auction and classifieds sites

Home / / Koi filter refurbished & used for sale | For Sale USA
2630gph 2600gal pressure bio - 2630gph,

2630gph 2600gal pressure bio - 2630gph,

$114.39
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10000l koi pond pressurized - koi,

10000l koi pond pressurized - koi,

$182.99
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790 gph submersible koi - submersible, pond

790 gph submersible koi - submersible, pond

$62.95
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Combo 10000l koi pond - 10000l,

Combo 10000l koi pond - 10000l,

$298.99
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Bio filter 10000l - bio, for

Bio filter 10000l - bio, for

$298.99
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1580gph pond pressure - 1580gph,

1580gph pond pressure - 1580gph,

$79.99
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Submersible pond filter pump - filter,

Submersible pond filter pump - filter,

$49.99
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Vivogrow pond pressure bio - vivogrow,

Vivogrow pond pressure bio - vivogrow,

$66.39
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1840gph pond pressure bio - pressure,

1840gph pond pressure bio - pressure,

$86.99
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Pond pressure bio filter - pressure,

Pond pressure bio filter - pressure,

$149.99
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790 gph submersible koi - 790,

790 gph submersible koi - 790,

$40.55
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Bio sponge filter - foam, pad

Bio sponge filter - foam, pad

$21.00
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Aquatic experts classic koi - aquatic,

Aquatic experts classic koi - aquatic,

$89.99
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New jebao koi - jebao,

New jebao koi - jebao,

$88.95
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Variable flow rate fountain - rate,

Variable flow rate fountain - rate,

$69.99
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Black knight koi pond filter - knight,

Black knight koi pond filter - knight,

$73.95
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1580gph pond pressure - pond,

1580gph pond pressure - pond,

$79.99
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1580 1840 2630gph bio - 1580/1840/2630gph,

1580 1840 2630gph bio - 1580/1840/2630gph,

$86.99
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690gph pond filter - filter, fountain

690gph pond filter - filter, fountain

$65.97
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Pond filter - pond,

Pond filter - pond,

$15.99
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Vivogrow 1840gph pressure - 1840gph, koi

Vivogrow 1840gph pressure - 1840gph, koi

$87.99
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Pressure biological pond - biological,

Pressure biological pond - biological,

$118.97
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790 gph submersible - 790, koi

790 gph submersible - 790, koi

$40.62
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1500 gallon pressurized bio - 1500,

1500 gallon pressurized bio - 1500,

$149.99
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$56.96
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Bulk roll filter media - media, for

Bulk roll filter media - media, for

$60.94
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Premium koi pond filter - premium,

Premium koi pond filter - premium,

$35.11
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Extra thick japanese filter - japanese,

Extra thick japanese filter - japanese,

$39.99
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Pond waterfall spillway - pond,

Pond waterfall spillway - pond,

$137.06
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Bio media filter - bio,

Bio media filter - bio,

$60.00
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Aquatic experts classic - aquatic,

Aquatic experts classic - aquatic,

$84.99
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Submersible koi pond filter - submersible,

Submersible koi pond filter - submersible,

$41.82
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Aquatic experts koi - koi, pond

Aquatic experts koi - koi, pond

$119.99
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New design moving - new, !

New design moving - new, !

$51.95
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Pressure biological pond - biological,

Pressure biological pond - biological,

$86.99
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2630gph pond pressure - 2630gph,

2630gph pond pressure - 2630gph,

$118.97
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$118.96
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Bio fine classic koi - bio-fine,

Bio fine classic koi - bio-fine,

$43.99
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Pond filter with - pump, fountain

Pond filter with - pump, fountain

$94.34
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Antfraer 660gph pond filter - antfraer,

Antfraer 660gph pond filter - antfraer,

$49.99
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900gph pond filter fountain - filter,

900gph pond filter fountain - filter,

$65.96
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Hard coarse japanese filter - hard,

Hard coarse japanese filter - hard,

$70.99
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Submersible pond filter - pond,

Submersible pond filter - pond,

$56.96
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Pack koi pond - 3-pack,

Pack koi pond - 3-pack,

$11.95
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Feet bulk pond - 4,

Feet bulk pond - 4,

$16.56
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Bio sponge filter - sponge, media

Bio sponge filter - sponge, media

$23.49
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Bulk filter media for koi - for,

Bulk filter media for koi - for,

$72.80
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80 bulk roll - 2",

80 bulk roll - 2",

$47.09
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2641gph circulation - 2641gph,

2641gph circulation - 2641gph,

$98.99
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Pressure biological pond - biological,

Pressure biological pond - biological,

$118.96
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Bio sponge filter - sponge, pads

Bio sponge filter - sponge, pads

$17.99
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Bio sponge filter media - sponge, pads

Bio sponge filter media - sponge, pads

$18.25
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2600 gal pond pressure bio - 2600,

2600 gal pond pressure bio - 2600,

$118.95
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Extra thick hard plastic - extra,

Extra thick hard plastic - extra,

$25.99
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Pond filter with pump fountain - with,

Pond filter with pump fountain - with,

$64.70
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Vivogrow 1580gph 1600 - vivogrow,

Vivogrow 1580gph 1600 - vivogrow,

$99.99
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1580gph pond pressure - 1580gph,

1580gph pond pressure - 1580gph,

$79.99
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10000l koi pond - koi, pressure

10000l koi pond - koi, pressure

$165.99
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Aqua flo pond filter mat - aqua-flo,

Aqua flo pond filter mat - aqua-flo,

$34.75
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690 900gph pond filter - pond,

690 900gph pond filter - pond,

$65.95
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2630gph pond pressure - 2630gph,

2630gph pond pressure - 2630gph,

$118.95
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Submersible koi pond - pond, filter

Submersible koi pond - pond, filter

$38.19
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Half off ponds 530 gph - gph, uv

Half off ponds 530 gph - gph, uv

$139.00
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1840gph pond pressure - 1840gph, bio

1840gph pond pressure - 1840gph, bio

$86.99
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3000gph 175w submersible pond - 3000gph,

3000gph 175w submersible pond - 3000gph,

$54.99
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Aquarium crystal clear filter - aquarium,

Aquarium crystal clear filter - aquarium,

$13.80
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Bio sponge filter media - bio,

Bio sponge filter media - bio,

$18.99
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Aquascape ultraklean 3500 gal - ultraklean,

Aquascape ultraklean 3500 gal - ultraklean,

$284.95
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$52.97
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Submersible pond filter - pond,

Submersible pond filter - pond,

$56.96
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Premium koi pond filter - pond, media

Premium koi pond filter - pond, media

$41.99
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Pond filter pad thick - thick, 24"

Pond filter pad thick - thick, 24"

$33.17
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Aquaneat replacement sponge - replacement,

Aquaneat replacement sponge - replacement,

$24.88
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Koi pond and - koi,

Koi pond and - koi,

$45.89
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Pond filter pump - filter, kit

Pond filter pump - filter, kit

$61.09
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1840gph pond pressure - 1840gph,

1840gph pond pressure - 1840gph,

$86.99
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Bio sponge filter - filter, pads

Bio sponge filter - filter, pads

$21.49
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Submersible pond filter pump - filter,

Submersible pond filter pump - filter,

$52.97
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Jebao 1000 gallon pressurized - jebao,

Jebao 1000 gallon pressurized - jebao,

$99.95
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Premium koi pond - pond, filter

Premium koi pond - pond, filter

$41.11
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Aquarium crystal clear filter - aquarium,

Aquarium crystal clear filter - aquarium,

$16.19
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1320 gph pond - pump, adjustable

1320 gph pond - pump, adjustable

$56.99
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Bio sponge filter - sponge,

Bio sponge filter - sponge,

$19.99
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Bulk filter media for koi - filter,

Bulk filter media for koi - filter,

$60.94
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Thick universal pond - 2",

Thick universal pond - 2",

$74.38
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Pond filter replacement sponge - replacement,

Pond filter replacement sponge - replacement,

$28.21
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All one koi - pond, filters

All one koi - pond, filters

$54.69
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Premium koi pond filter media - premium,

Premium koi pond filter media - premium,

$41.11
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Pond filter pad thick x - filter,

Pond filter pad thick x - filter,

$52.15
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790 gph floating pond - gph,

790 gph floating pond - gph,

$59.99
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Pondh2o pressurized pond - pressurized,

Pondh2o pressurized pond - pressurized,

$199.95
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1600gph 100w submersible - 100w, pond

1600gph 100w submersible - 100w, pond

$49.99
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36 white bulk - x, 36"

36 white bulk - x, 36"

$52.15
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Submersible koi pond filter - koi,

Submersible koi pond filter - koi,

$44.92
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Koi prazi fluke destroyer for - koi,

Koi prazi fluke destroyer for - koi,

$94.99
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For aquasurge aquascape 3000 - aquascape,

For aquasurge aquascape 3000 - aquascape,

$145.00
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📊96 listings · from $11.95 · avg $76.33

Browse 96 koi filter listings currently in our index. Prices range from $11.95 to $298.99, with an average of $76.33. 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 koi filter →

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Everything you need to know about koi filter

Whether you are looking for a brand-new or second-hand 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 $11.95, while premium listings can reach $298.99 — giving you a wide budget spread to work with. The average price of $76.33 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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