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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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Vivogrow 1840gph pressure koi - pressure,

Vivogrow 1840gph pressure koi - pressure,

$87.99
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Aquatic experts classic - aquatic,

Aquatic experts classic - aquatic,

$49.99
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Oase koi pond vacuum - pond,

Oase koi pond vacuum - pond,

$150.00
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$49.99
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10000l koi pond pressurized - 10000l,

10000l koi pond pressurized - 10000l,

$182.99
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Pond filter - pond,

Pond filter - pond,

$15.99
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Vivogrow pond pressure bio - vivogrow,

Vivogrow pond pressure bio - vivogrow,

$92.79
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1500 gallon pressurized - 1500,

1500 gallon pressurized - 1500,

$149.99
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Bio filter 10000l - bio,

Bio filter 10000l - bio,

$298.99
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690gph pond filter fountain - 690gph,

690gph pond filter fountain - 690gph,

$65.97
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Bio sponge filter media pads - filter,

Bio sponge filter media pads - filter,

$32.97
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New jebao koi pond - new,

New jebao koi pond - new,

$88.95
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Pondh2o bio gravity pond - gravity,

Pondh2o bio gravity pond - gravity,

$101.95
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Variable flow rate fountain - variable,

Variable flow rate fountain - variable,

$69.99
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Aquatic experts classic - aquatic,

Aquatic experts classic - aquatic,

$89.99
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Combo 10000l koi - 10000l,

Combo 10000l koi - 10000l,

$298.99
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Submersible pond filter pump - pond,

Submersible pond filter pump - pond,

$56.96
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Premium koi pond filter - koi, media

Premium koi pond filter - koi, media

$41.99
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2630gph pond pressure bio - 2630gph,

2630gph pond pressure bio - 2630gph,

$118.97
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Bio sponge filter - bio,

Bio sponge filter - bio,

$21.00
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Aquatic experts koi pond - koi,

Aquatic experts koi pond - koi,

$119.99
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1000 gallon pressurized bio - 1000,

1000 gallon pressurized bio - 1000,

$120.99
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Extra thick japanese filter - thick,

Extra thick japanese filter - thick,

$27.50
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Vivogrow 1580gph 1600 gal - 1580gph,

Vivogrow 1580gph 1600 gal - 1580gph,

$79.99
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Bulk roll filter media for - bulk,

Bulk roll filter media for - bulk,

$60.94
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Premium koi pond filter media - pond,

Premium koi pond filter media - pond,

$35.11
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Antfraer 660gph pond filter - antfraer,

Antfraer 660gph pond filter - antfraer,

$49.99
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New jebao koi pond - pu-55,

New jebao koi pond - pu-55,

$129.95
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Bio media filter - k-3,

Bio media filter - k-3,

$60.00
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Black knight koi - black,

Black knight koi - black,

$73.95
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Lbs activated carbon bulk - activated,

Lbs activated carbon bulk - activated,

$19.93
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Submersible pond filter - pond, pump

Submersible pond filter - pond, pump

$52.97
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1840gph pond pressure - pond, bio

1840gph pond pressure - pond, bio

$86.99
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2600 gal pond pressure bio - pressure,

2600 gal pond pressure bio - pressure,

$118.95
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Submersible pond filter - submersible, pump

Submersible pond filter - submersible, pump

$56.96
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10000l koi pond - koi,

10000l koi pond - koi,

$165.99
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Antfraer 70w solar pond pump - antfraer,

Antfraer 70w solar pond pump - antfraer,

$203.46
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Koi fish pond with - pond,

Koi fish pond with - pond,

$500.00
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1580gph pond pressure - pond,

1580gph pond pressure - pond,

$79.99
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900gph pond filter - 900gph,

900gph pond filter - 900gph,

$65.96
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1600gph 100w submersible pond - 1600gph,

1600gph 100w submersible pond - 1600gph,

$49.99
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Feet bulk pond - feet, bio

Feet bulk pond - feet, bio

$16.56
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Vivohome bio pressure pond - vivohome,

Vivohome bio pressure pond - vivohome,

$164.95
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New design moving bed - new,

New design moving bed - new,

$51.95
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1580gph pond pressure - 1580gph,

1580gph pond pressure - 1580gph,

$79.99
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1320 gph pond - pump, adjustable

1320 gph pond - pump, adjustable

$56.99
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Submersible pond filter - submersible,

Submersible pond filter - submersible,

$56.96
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1840gph pond pressure - 1840gph,

1840gph pond pressure - 1840gph,

$86.99
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Half off ponds 530 - gph, uv

Half off ponds 530 - gph, uv

$139.00
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Pressure biological pond - biological,

Pressure biological pond - biological,

$118.97
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Extra thick hard plastic - hard,

Extra thick hard plastic - hard,

$40.99
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2630gph bio pressure pond - bio,

2630gph bio pressure pond - bio,

$118.95
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$118.96
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$118.96
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Round matala pack - round, 2-pack

Round matala pack - round, 2-pack

$139.50
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Hard coarse japanese - coarse,

Hard coarse japanese - coarse,

$70.99
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1580 1840 2630gph - bio, pressure

1580 1840 2630gph - bio, pressure

$86.99
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1840gph pond pressure - 1840gph,

1840gph pond pressure - 1840gph,

$86.99
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80 bulk roll for - x, 80"

80 bulk roll for - x, 80"

$47.09
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Pack pond filter - pack,

Pack pond filter - pack,

$36.99
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Aquadock koi pressure - aquadock,

Aquadock koi pressure - aquadock,

$149.99
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Premium koi pond filter media - koi,

Premium koi pond filter media - koi,

$33.99
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Pack koi pond - pond, pad

Pack koi pond - pond, pad

$11.95
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690 900gph pond filter - 690-900gph,

690 900gph pond filter - 690-900gph,

$65.95
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Bulk filter media for - for, pond

Bulk filter media for - for, pond

$60.94
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Bio sponge filter - bio, pads

Bio sponge filter - bio, pads

$17.99
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Aquaneat replacement sponge - aquaneat,

Aquaneat replacement sponge - aquaneat,

$22.39
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Small automatic backwash - automatic,

Small automatic backwash - automatic,

$189.99
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Bio sponge filter media - bio,

Bio sponge filter media - bio,

$12.99
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Aqua flo pond filter - filter, mat

Aqua flo pond filter - filter, mat

$34.75
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Bio sponge filter media pads - media,

Bio sponge filter media pads - media,

$16.99
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$86.99
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790 gph floating pond pool - 790,

790 gph floating pond pool - 790,

$59.99
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Bio sponge filter media pads - bio,

Bio sponge filter media pads - bio,

$15.99
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Submersible koi pond filter - submersible,

Submersible koi pond filter - submersible,

$41.80
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2641gph circulation - 2641gph,

2641gph circulation - 2641gph,

$98.99
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Thick universal pond - 2",

Thick universal pond - 2",

$74.38
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2630gph pond pressure bio - 2630gph,

2630gph pond pressure bio - 2630gph,

$118.95
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Bulk filter media - bulk,

Bulk filter media - bulk,

$72.80
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Bio sponge filter media pads - filter,

Bio sponge filter media pads - filter,

$18.99
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Inch sump bottom drain - inch,

Inch sump bottom drain - inch,

$111.95
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Back flush bio - flush, koi

Back flush bio - flush, koi

$159.98
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Bulk pond filter media - bulk, 2"

Bulk pond filter media - bulk, 2"

$245.99
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Drum filter aquaculture fish - filter,

Drum filter aquaculture fish - filter,

$758.19
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Sunsun cpf 250 pressure - sunsun,

Sunsun cpf 250 pressure - sunsun,

$139.99
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Jebao bio pressure with 24w - jebao,

Jebao bio pressure with 24w - jebao,

$159.99
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Lbs activated carbon bulk - 5,

Lbs activated carbon bulk - 5,

$22.31
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Aqua ultima 6000 gal - aqua,

Aqua ultima 6000 gal - aqua,

$2629.94
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Aquatic experts koi pond - koi,

Aquatic experts koi pond - koi,

$122.63
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Versatile pond filter - pond,

Versatile pond filter - pond,

$190.89
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25pack pond filter - filter, 12"

25pack pond filter - filter, 12"

$100.99
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Aquarium crystal clear filter - clear,

Aquarium crystal clear filter - clear,

$13.80
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Pond waterfall spillway kit - pond,

Pond waterfall spillway kit - pond,

$139.06
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For aquasurge aquascape 3000 - for,

For aquasurge aquascape 3000 - for,

$145.00
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📊96 listings · from $11.95 · avg $126.79

Browse 96 koi filter listings currently in our index. Prices range from $11.95 to $2629.94, with an average of $126.79. 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 $2629.94 — giving you a wide budget spread to work with. The average price of $126.79 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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