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Koi filter

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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 - 790, koi

790 gph submersible - 790, koi

$62.95
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$79.99
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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1840gph pond pressure bio - pond,

1840gph pond pressure bio - pond,

$86.99
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Aquatic experts classic koi - experts,

Aquatic experts classic koi - experts,

$69.99
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Pond pressure bio - pond,

Pond pressure bio - pond,

$149.99
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1580gph pond pressure bio - pond,

1580gph pond pressure bio - pond,

$79.99
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Aquatic experts koi - aquatic,

Aquatic experts koi - aquatic,

$69.99
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2600 gal pond - 2600,

2600 gal pond - 2600,

$118.95
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Pressure biological pond - biological,

Pressure biological pond - biological,

$78.97
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Pond filter - pond,

Pond filter - pond,

$15.99
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Aquatic experts classic - experts,

Aquatic experts classic - experts,

$49.99
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Black knight koi pond filter - koi,

Black knight koi pond filter - koi,

$73.95
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Combo 10000l koi pond pressure - combo,

Combo 10000l koi pond pressure - combo,

$298.99
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Vivogrow 1840gph pressure koi - 1840gph,

Vivogrow 1840gph pressure koi - 1840gph,

$87.99
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$79.99
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1840gph pond pressure bio - 1840gph,

1840gph pond pressure bio - 1840gph,

$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,

$79.99
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Hard coarse japanese filter - japanese,

Hard coarse japanese filter - japanese,

$70.99
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Bio sponge filter foam - sponge, pad

Bio sponge filter foam - sponge, pad

$21.00
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Vivogrow pond pressure - vivogrow, bio

Vivogrow pond pressure - vivogrow, bio

$66.39
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1580 1840 2630gph bio pressure - 1580/1840/2630gph,

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

$79.99
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Lbs activated carbon - carbon, bulk

Lbs activated carbon - carbon, bulk

$19.93
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Pack koi pond filter - koi, pad

Pack koi pond filter - koi, pad

$11.95
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790 gph submersible - submersible, pond

790 gph submersible - submersible, pond

$40.62
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Bio media filter - k-3,

Bio media filter - k-3,

$60.00
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New jebao koi pond - new, pu-36

New jebao koi pond - new, pu-36

$88.95
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Antfraer 660gph pond - antfraer,

Antfraer 660gph pond - antfraer,

$49.99
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Premium koi pond filter - premium,

Premium koi pond filter - premium,

$35.11
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Submersible pond filter - pond, pump

Submersible pond filter - pond, pump

$49.99
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2640 gph auto cleaning - gph, auto-cleaning

2640 gph auto cleaning - gph, auto-cleaning

$125.00
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1580gph pond pressure bio - pond,

1580gph pond pressure bio - pond,

$79.99
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Bio sponge filter media pads - bio,

Bio sponge filter media pads - bio,

$24.99
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Bio filter 10000l - uv, for

Bio filter 10000l - uv, for

$298.99
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1840gph pond pressure bio - 1840gph,

1840gph pond pressure bio - 1840gph,

$86.99
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Powerful 3000l submersible - powerful, 3000l/h

Powerful 3000l submersible - powerful, 3000l/h

$32.39
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Submersible koi pond filter - koi,

Submersible koi pond filter - koi,

$41.82
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80 bulk roll for - 10",

80 bulk roll for - 10",

$47.09
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Extra thick japanese filter - extra,

Extra thick japanese filter - extra,

$61.00
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Vivogrow 1580gph 1600 gal - 1600,

Vivogrow 1580gph 1600 gal - 1600,

$79.99
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Extra thick hard plastic - extra,

Extra thick hard plastic - extra,

$49.99
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2630gph pond pressure - pressure, bio

2630gph pond pressure - pressure, bio

$118.95
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Lbs activated carbon bulk - 5,

Lbs activated carbon bulk - 5,

$22.31
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Bulk filter media for koi - media, pond

Bulk filter media for koi - media, pond

$72.80
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$56.96
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690gph pond filter - 690gph,

690gph pond filter - 690gph,

$59.97
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1500 gallon pressurized - 1500, bio

1500 gallon pressurized - 1500, bio

$149.99
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Aquatic experts classic - experts, koi

Aquatic experts classic - experts, koi

$51.99
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New design moving bed filter - new, !

New design moving bed filter - new, !

$51.95
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Feet bulk pond - feet, bio

Feet bulk pond - feet, bio

$16.56
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Bio sponge filter - media, pads

Bio sponge filter - media, pads

$23.49
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Bio sponge filter - sponge, pads

Bio sponge filter - sponge, pads

$32.97
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Bulk roll filter media for - roll,

Bulk roll filter media for - roll,

$60.94
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Bio sponge filter media - media, pads

Bio sponge filter media - media, pads

$19.99
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Aquaneat replacement sponge - aquaneat,

Aquaneat replacement sponge - aquaneat,

$22.39
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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Sponge filter pad - 5, for

Sponge filter pad - 5, for

$38.99
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Premium koi pond filter media - premium,

Premium koi pond filter media - premium,

$41.11
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Submersible pond filter pump - pond,

Submersible pond filter pump - pond,

$56.96
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Pond filter pad thick x - pond, 24"

Pond filter pad thick x - pond, 24"

$33.17
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Bio sponge filter media - sponge,

Bio sponge filter media - sponge,

$24.99
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Thick universal pond filter - pond,

Thick universal pond filter - pond,

$74.38
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Premium koi pond filter media - filter,

Premium koi pond filter media - filter,

$41.11
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Koi pond and aquarium - pond, filter

Koi pond and aquarium - pond, filter

$45.89
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Bulk filter media for - bulk,

Bulk filter media for - bulk,

$60.94
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New biological mechanical - new, biological/mechanical

New biological mechanical - new, biological/mechanical

$99.00
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690 900gph pond - pond, filter

690 900gph pond - pond, filter

$65.95
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500 pcs bulk premier - bulk,

500 pcs bulk premier - bulk,

$35.30
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1320 gph pond pump - pond, adjustable

1320 gph pond pump - pond, adjustable

$56.99
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Submersible koi pond - koi,

Submersible koi pond - koi,

$44.92
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Pond filter pad thick - pad, 2"

Pond filter pad thick - pad, 2"

$52.15
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Sponge filter pad for - 4,

Sponge filter pad for - 4,

$23.99
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Bio fine classic koi pond - pond,

Bio fine classic koi pond - pond,

$43.99
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Pack pond filter - pond,

Pack pond filter - pond,

$36.99
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Bulk roll filter media for - bulk,

Bulk roll filter media for - bulk,

$83.89
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Koi pond and aquarium - pond, filter

Koi pond and aquarium - pond, filter

$48.44
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Roll wet dry filter - 60",

Roll wet dry filter - 60",

$17.06
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Sunsun grech cpf 250 - sunsun,

Sunsun grech cpf 250 - sunsun,

$124.99
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790 gph floating - 790,

790 gph floating - 790,

$59.99
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Japanese filter matting blue - matting,

Japanese filter matting blue - matting,

$37.99
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Pond filter - pond,

Pond filter - pond,

$13.99
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Koi pond and aquarium filter - and,

Koi pond and aquarium filter - and,

$46.62
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10000l koi pond pressure bio - 10000l,

10000l koi pond pressure bio - 10000l,

$165.99
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2642 gph pond - filter, system

2642 gph pond - filter, system

$169.99
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Bio pressure pond filter with - bio,

Bio pressure pond filter with - bio,

$149.99
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Lbs activated carbon in - lbs,

Lbs activated carbon in - lbs,

$41.79
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Savio springflo bio filter - savio,

Savio springflo bio filter - savio,

$49.99
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Aquarium fish tanks koi - tanks,

Aquarium fish tanks koi - tanks,

$59.39
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Pondh2o pressurized pond - pondh2o,

Pondh2o pressurized pond - pondh2o,

$199.95
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Ep red koi - 1-25"x, fish

Ep red koi - 1-25"x, fish

$29.91
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Aqua flo pond beige filter - pond,

Aqua flo pond beige filter - pond,

$39.49
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Variable flow rate fountain - variable,

Variable flow rate fountain - variable,

$69.99
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Three seconds 1840gph bio - seconds,

Three seconds 1840gph bio - seconds,

$75.00
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📊96 listings · from $11.95 · avg $70.77

Browse 96 koi filter listings currently in our index. Prices range from $11.95 to $298.99, with an average of $70.77. 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 $70.77 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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