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Koi filter

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2630gph 2600gal pressure - pressure, bio

2630gph 2600gal pressure - pressure, bio

$114.39
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10000l koi pond pressurized - 10000l,

10000l koi pond pressurized - 10000l,

$182.99
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790 gph submersible koi - 790,

790 gph submersible koi - 790,

$62.95
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Pond pressure bio filter - pressure,

Pond pressure bio filter - pressure,

$149.99
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Bio filter 10000l - bio,

Bio filter 10000l - bio,

$298.99
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1580gph pond pressure bio - pond,

1580gph pond pressure bio - pond,

$79.99
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Aquatic experts classic - aquatic, koi

Aquatic experts classic - aquatic, koi

$89.99
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1840gph pond pressure - 1840gph,

1840gph pond pressure - 1840gph,

$86.99
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1580gph pond pressure - 1580gph, bio

1580gph pond pressure - 1580gph, bio

$79.99
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790 gph submersible koi - gph, pond

790 gph submersible koi - gph, pond

$40.55
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690gph pond filter fountain - filter,

690gph pond filter fountain - filter,

$65.97
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$49.99
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$56.96
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Combo 10000l koi - pond, pressure

Combo 10000l koi - pond, pressure

$298.99
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Pond filter with - with, fountain

Pond filter with - with, fountain

$94.34
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Premium koi pond filter - pond,

Premium koi pond filter - pond,

$35.11
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Vivogrow 1840gph pressure koi - vivogrow,

Vivogrow 1840gph pressure koi - vivogrow,

$87.99
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Pressure biological pond - biological,

Pressure biological pond - biological,

$118.97
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Pond filter - pond,

Pond filter - pond,

$15.99
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790 gph submersible koi - gph, pond

790 gph submersible koi - gph, pond

$40.62
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1500 gallon pressurized bio - 1500,

1500 gallon pressurized bio - 1500,

$149.99
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Aquatic experts koi pond - experts,

Aquatic experts koi pond - experts,

$119.99
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Hard coarse japanese filter - japanese,

Hard coarse japanese filter - japanese,

$70.99
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New design moving - new,

New design moving - new,

$51.95
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2630gph pond pressure bio - pressure,

2630gph pond pressure bio - pressure,

$118.97
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Pressure biological pond - biological,

Pressure biological pond - biological,

$118.96
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2600 gal pond - gal,

2600 gal pond - gal,

$118.95
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Vivogrow 1580gph 1600 - vivogrow,

Vivogrow 1580gph 1600 - vivogrow,

$79.99
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Black knight koi pond filter - black,

Black knight koi pond filter - black,

$73.95
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Variable flow rate fountain - rate,

Variable flow rate fountain - rate,

$69.99
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Antfraer 660gph pond filter - antfraer,

Antfraer 660gph pond filter - antfraer,

$49.99
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Bio media filter - k-3,

Bio media filter - k-3,

$60.00
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Extra thick japanese filter - thick,

Extra thick japanese filter - thick,

$27.50
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Aquascape ultraklean 3500 gal - aquascape,

Aquascape ultraklean 3500 gal - aquascape,

$284.95
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Submersible pond filter pump - filter,

Submersible pond filter pump - filter,

$56.96
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10000l koi pond pressure - pressure, bio

10000l koi pond pressure - pressure, bio

$165.99
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80 bulk roll for - 2", 10"

80 bulk roll for - 2", 10"

$47.09
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Vivogrow pond pressure bio - vivogrow,

Vivogrow pond pressure bio - vivogrow,

$92.79
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New jebao koi pond - jebao,

New jebao koi pond - jebao,

$88.95
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Blue matala pond - blue,

Blue matala pond - blue,

$84.99
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Pack koi pond filter - filter, pad

Pack koi pond filter - filter, pad

$11.95
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Aquatic experts classic koi - aquatic,

Aquatic experts classic koi - aquatic,

$84.99
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Submersible koi pond - submersible, filter

Submersible koi pond - submersible, filter

$41.82
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Pressure biological pond - biological,

Pressure biological pond - biological,

$86.99
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2630gph pond pressure bio - pond,

2630gph pond pressure bio - pond,

$118.95
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1580 1840 2630gph bio - 1580/1840/2630gph,

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

$86.99
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1580gph pond pressure - 1580gph,

1580gph pond pressure - 1580gph,

$79.99
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2641gph circulation - 2641gph,

2641gph circulation - 2641gph,

$98.99
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1840gph pond pressure bio - pond,

1840gph pond pressure bio - pond,

$86.99
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690 900gph pond - 690-900gph, filter

690 900gph pond - 690-900gph, filter

$65.95
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$118.96
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Bio sponge filter foam - sponge, pad

Bio sponge filter foam - sponge, pad

$11.00
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Feet bulk pond - pond, bio

Feet bulk pond - pond, bio

$16.56
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Bio sponge filter media pads - filter,

Bio sponge filter media pads - filter,

$17.99
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Extra thick hard - extra,

Extra thick hard - extra,

$40.99
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Koi pond and aquarium filter - koi,

Koi pond and aquarium filter - koi,

$45.89
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Bulk filter media for - filter, pond

Bulk filter media for - filter, pond

$72.80
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Bulk roll filter - roll, media

Bulk roll filter - roll, media

$60.94
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Bio sponge filter - bio, pads

Bio sponge filter - bio, pads

$18.25
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Aquaneat replacement sponge - aquaneat,

Aquaneat replacement sponge - aquaneat,

$22.39
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Pond filter pad - filter, x

Pond filter pad - filter, x

$33.17
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Bio sponge filter media pads - filter,

Bio sponge filter media pads - filter,

$17.49
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1840gph pond pressure - pond, bio

1840gph pond pressure - pond, bio

$86.99
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Pondh2o pressurized pond - pressurized,

Pondh2o pressurized pond - pressurized,

$199.95
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Submersible pond filter - submersible,

Submersible pond filter - submersible,

$52.97
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Submersible pond filter - submersible,

Submersible pond filter - submersible,

$56.96
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Submersible pond filter - filter, pump

Submersible pond filter - filter, pump

$52.97
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Bio sponge filter media - sponge, pads

Bio sponge filter media - sponge, pads

$19.99
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Premium koi pond filter - premium, media

Premium koi pond filter - premium, media

$41.11
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Thick universal pond - universal, filter

Thick universal pond - universal, filter

$74.38
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Jebao 1000 gallon - 1000, pressurized

Jebao 1000 gallon - 1000, pressurized

$99.95
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1320 gph pond pump adjustable - 1320,

1320 gph pond pump adjustable - 1320,

$56.99
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790 gph floating pond - gph,

790 gph floating pond - gph,

$59.99
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Half off ponds 530 - uv, pond

Half off ponds 530 - uv, pond

$139.00
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3000gph 175w submersible pond - submersible,

3000gph 175w submersible pond - submersible,

$54.99
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Bulk filter media for - for, pond

Bulk filter media for - for, pond

$60.94
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Pond filter with pump fountain - filter,

Pond filter with pump fountain - filter,

$64.70
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New jebao bio - bio, with

New jebao bio - bio, with

$159.99
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1580gph pond pressure bio - pressure,

1580gph pond pressure bio - pressure,

$79.99
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Sunsun grech cpf 250 11w - grech,

Sunsun grech cpf 250 11w - grech,

$124.99
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Bio fine classic koi pond - bio-fine,

Bio fine classic koi pond - bio-fine,

$43.99
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Pond filter pad thick x - filter,

Pond filter pad thick x - filter,

$52.15
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Coarse filter media - filter, bulk

Coarse filter media - filter, bulk

$72.79
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Premium koi pond filter - premium,

Premium koi pond filter - premium,

$41.11
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Aquaneat bio ceramic - ceramic, 6

Aquaneat bio ceramic - ceramic, 6

$35.81
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Submersible koi pond filter - pond,

Submersible koi pond filter - pond,

$44.92
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900gph pond filter fountain - pond,

900gph pond filter fountain - pond,

$65.96
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Japanese filter matting blue - japanese,

Japanese filter matting blue - japanese,

$37.99
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690gph pond filter fountain - pond,

690gph pond filter fountain - pond,

$65.96
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Bulk roll filter media - roll, koi

Bulk roll filter media - roll, koi

$83.89
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Packs fish pond filter - pond,

Packs fish pond filter - pond,

$99.69
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Bio sponge filter media - filter, pads

Bio sponge filter media - filter, pads

$15.99
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36 white bulk - 2",

36 white bulk - 2",

$52.15
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Waterfall spillway kit for - 10",

Waterfall spillway kit for - 10",

$122.85
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Gray matala mat - matala,

Gray matala mat - matala,

$74.99
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18w pond clarifier - uv,

18w pond clarifier - uv,

$176.99
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📊96 listings · from $11 · avg $81.24

Browse 96 koi filter listings currently in our index. Prices range from $11 to $298.99, with an average of $81.24. 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, while premium listings can reach $298.99 — giving you a wide budget spread to work with. The average price of $81.24 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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