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2630gph 2600gal pressure bio - 2630gph,

2630gph 2600gal pressure bio - 2630gph,

$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 - submersible, pond

790 gph submersible - submersible, pond

$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 liter for - bio,

Bio filter 10000l liter for - bio,

$298.99
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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Aquatic experts classic - aquatic,

Aquatic experts classic - aquatic,

$89.99
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1840gph pond pressure - pond,

1840gph pond pressure - pond,

$86.99
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1580gph pond pressure - pressure, bio

1580gph pond pressure - pressure, bio

$79.99
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790 gph submersible koi pond - submersible,

790 gph submersible koi pond - submersible,

$40.55
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690gph pond filter fountain - pond,

690gph pond filter fountain - pond,

$65.97
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Submersible pond filter - filter, pump

Submersible pond filter - filter, pump

$49.99
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Submersible pond filter - pond,

Submersible pond filter - pond,

$56.96
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Combo 10000l koi pond pressure - pond,

Combo 10000l koi pond pressure - pond,

$298.99
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Pond filter with pump fountain - with,

Pond filter with pump fountain - with,

$94.34
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Premium koi pond filter media - premium,

Premium koi pond filter media - premium,

$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 - submersible,

790 gph submersible koi - submersible,

$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 - aquatic,

Aquatic experts koi - aquatic,

$119.99
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Hard coarse japanese filter - hard,

Hard coarse japanese filter - hard,

$70.99
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New design moving bed - new, !

New design moving bed - new, !

$51.95
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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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2600 gal pond - pond, pressure

2600 gal pond - pond, pressure

$118.95
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Vivogrow 1580gph 1600 gal - vivogrow,

Vivogrow 1580gph 1600 gal - vivogrow,

$79.99
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Black knight koi - knight, pond

Black knight koi - knight, pond

$73.95
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Variable flow rate - rate, fountain

Variable flow rate - rate, fountain

$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 - media, –

Bio media filter - media, –

$60.00
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Extra thick japanese filter - extra,

Extra thick japanese filter - extra,

$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 - submersible,

Submersible pond filter pump - submersible,

$56.96
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10000l koi pond pressure bio - koi,

10000l koi pond pressure bio - koi,

$165.99
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80 bulk roll - x, x

80 bulk roll - x, x

$47.09
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Vivogrow pond pressure bio - pond,

Vivogrow pond pressure bio - pond,

$92.79
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New jebao koi - ,

New jebao koi - ,

$88.95
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Blue matala pond - matala,

Blue matala pond - matala,

$84.99
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Pack koi pond filter - 3-pack,

Pack koi pond filter - 3-pack,

$11.95
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Aquatic experts classic koi - experts,

Aquatic experts classic koi - experts,

$84.99
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Submersible koi pond filter - submersible,

Submersible koi pond filter - submersible,

$41.82
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$86.99
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2630gph pond pressure bio - pressure,

2630gph pond pressure bio - pressure,

$118.95
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1580 1840 2630gph bio pressure - bio,

1580 1840 2630gph bio pressure - bio,

$86.99
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1580gph pond pressure - 1580gph, bio

1580gph pond pressure - 1580gph, bio

$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 filter - 690-900gph,

690 900gph pond filter - 690-900gph,

$65.95
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$118.96
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Bio sponge filter foam pad - bio,

Bio sponge filter foam pad - bio,

$11.00
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Feet bulk pond bio filter - bulk,

Feet bulk pond bio filter - bulk,

$16.56
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Bio sponge filter media - filter,

Bio sponge filter media - filter,

$17.99
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Extra thick hard plastic - thick,

Extra thick hard plastic - thick,

$40.99
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Koi pond and aquarium filter - aquarium,

Koi pond and aquarium filter - aquarium,

$45.89
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Bulk filter media for koi - filter,

Bulk filter media for koi - filter,

$72.80
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Bulk roll filter - filter, koi

Bulk roll filter - filter, koi

$60.94
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Bio sponge filter - bio,

Bio sponge filter - bio,

$18.25
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Aquaneat replacement sponge - replacement,

Aquaneat replacement sponge - replacement,

$22.39
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Pond filter pad thick x - pond,

Pond filter pad thick x - pond,

$33.17
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Bio sponge filter media pads - bio,

Bio sponge filter media pads - bio,

$17.49
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1840gph pond pressure bio - 1840gph,

1840gph pond pressure bio - 1840gph,

$86.99
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Pondh2o pressurized pond - pondh2o,

Pondh2o pressurized pond - pondh2o,

$199.95
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$52.97
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Submersible pond filter pump - pond,

Submersible pond filter pump - pond,

$56.96
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Submersible pond filter - submersible,

Submersible pond filter - submersible,

$52.97
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Bio sponge filter media pads - sponge,

Bio sponge filter media pads - sponge,

$19.99
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Premium koi pond filter media - premium,

Premium koi pond filter media - premium,

$41.11
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Thick universal pond filter - universal,

Thick universal pond filter - universal,

$74.38
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Jebao 1000 gallon - 1000,

Jebao 1000 gallon - 1000,

$99.95
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1320 gph pond - 1320,

1320 gph pond - 1320,

$56.99
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790 gph floating - gph, pool

790 gph floating - gph, pool

$59.99
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Half off ponds - half, 530

Half off ponds - half, 530

$139.00
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3000gph 175w submersible pond - 3000gph,

3000gph 175w submersible pond - 3000gph,

$54.99
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Bulk filter media for - bulk,

Bulk filter media for - bulk,

$60.94
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Pond filter with pump fountain - pond,

Pond filter with pump fountain - pond,

$64.70
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New jebao bio pressure - new,

New jebao bio pressure - new,

$159.99
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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Sunsun grech cpf 250 11w - cpf-250,

Sunsun grech cpf 250 11w - cpf-250,

$124.99
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Bio fine classic - pond,

Bio fine classic - pond,

$43.99
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Pond filter pad thick x - thick, 28"

Pond filter pad thick x - thick, 28"

$52.15
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Coarse filter media pad - coarse,

Coarse filter media pad - coarse,

$72.79
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Premium koi pond - koi,

Premium koi pond - koi,

$41.11
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Aquaneat bio ceramic rings - aquaneat,

Aquaneat bio ceramic rings - aquaneat,

$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 - 900gph,

900gph pond filter - 900gph,

$65.96
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Japanese filter matting - filter, blue

Japanese filter matting - filter, blue

$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 - filter, for

Bulk roll filter media - filter, for

$83.89
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Packs fish pond filter - 10,

Packs fish pond filter - 10,

$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 roll - x,

36 white bulk roll - x,

$52.15
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Waterfall spillway kit - 10",

Waterfall spillway kit - 10",

$122.85
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Gray matala mat pack - mat, pond

Gray matala mat pack - mat, pond

$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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