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1580gph pond pressure - pond,

1580gph pond pressure - pond,

$79.99
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10000l koi pond pressurized - koi,

10000l koi pond pressurized - koi,

$182.99
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Pondh2o bio gravity pond - pondh2o,

Pondh2o bio gravity pond - pondh2o,

$101.95
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Vivogrow pond pressure - pressure, bio

Vivogrow pond pressure - pressure, bio

$102.99
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2630gph 2600gal pressure - pressure, bio

2630gph 2600gal pressure - pressure, bio

$114.94
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Pond filter - pond,

Pond filter - pond,

$14.99
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Bio sponge filter media pad - filter,

Bio sponge filter media pad - filter,

$12.99
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Lbs activated carbon - activated,

Lbs activated carbon - activated,

$19.93
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690gph pond filter fountain - 690gph,

690gph pond filter fountain - 690gph,

$65.97
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Aquatic experts classic koi - experts,

Aquatic experts classic koi - experts,

$84.99
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Bio filter 10000l liter for - bio,

Bio filter 10000l liter for - bio,

$298.99
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Bio sponge filter - sponge, pad

Bio sponge filter - sponge, pad

$16.20
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$78.97
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New jebao koi - ,

New jebao koi - ,

$88.95
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Pcs pond filter mat x - filter,

Pcs pond filter mat x - filter,

$147.99
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820gph rgb pond filter - rgb,

820gph rgb pond filter - rgb,

$179.99
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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1500 gallon pressurized - 1500, bio

1500 gallon pressurized - 1500, bio

$149.99
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$58.99
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$58.99
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Aquatic experts koi pond - aquatic,

Aquatic experts koi pond - aquatic,

$119.99
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Premium koi pond filter - premium,

Premium koi pond filter - premium,

$41.99
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Pond pressure bio filter - pond,

Pond pressure bio filter - pond,

$159.99
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Premium koi pond - premium, filter

Premium koi pond - premium, filter

$35.11
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Combo 10000l koi pond pressure - 10000l,

Combo 10000l koi pond pressure - 10000l,

$298.99
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Aquatic experts classic - classic, koi

Aquatic experts classic - classic, koi

$89.99
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Small automatic backwash - small,

Small automatic backwash - small,

$189.99
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Submersible pond filter - submersible,

Submersible pond filter - submersible,

$52.97
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$79.99
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Bio media filter - bio,

Bio media filter - bio,

$60.00
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Easypro submersible - easypro,

Easypro submersible - easypro,

$423.69
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New jebao koi pond - pu-55,

New jebao koi pond - pu-55,

$129.95
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Extra thick japanese filter - thick,

Extra thick japanese filter - thick,

$27.50
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1580gph pond pressure bio - pond,

1580gph pond pressure bio - pond,

$79.99
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$79.99
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Submersible koi pond filter - submersible,

Submersible koi pond filter - submersible,

$41.80
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Lbs activated carbon bulk - lbs,

Lbs activated carbon bulk - lbs,

$22.31
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1580 1840 2630gph - 1580/1840/2630gph, pressure

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

$79.99
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2630gph pond pressure bio - 2630gph,

2630gph pond pressure bio - 2630gph,

$127.69
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Vivogrow bio pressure pond - vivogrow,

Vivogrow bio pressure pond - vivogrow,

$98.99
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1320 gph pond pump adjustable - 1320,

1320 gph pond pump adjustable - 1320,

$56.99
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Thick universal pond filter - 2",

Thick universal pond filter - 2",

$74.38
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10000l koi pond pressure - koi,

10000l koi pond pressure - koi,

$165.99
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Bulk roll filter media - filter, for

Bulk roll filter media - filter, for

$60.94
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Premium koi pond filter - premium, media

Premium koi pond filter - premium, media

$41.11
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Hard coarse japanese filter - coarse,

Hard coarse japanese filter - coarse,

$70.99
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Drum filter aquaculture - drum,

Drum filter aquaculture - drum,

$758.19
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Feet bulk pond bio filter - bulk,

Feet bulk pond bio filter - bulk,

$16.56
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Submersible pond filter pump - filter,

Submersible pond filter pump - filter,

$58.99
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Aqua flo beige - 30"x, 30"

Aqua flo beige - 30"x, 30"

$77.87
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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Aquascape ultraklean 3500 gal - 3500,

Aquascape ultraklean 3500 gal - 3500,

$299.95
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Half off ponds - gph, pond

Half off ponds - gph, pond

$139.00
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$52.97
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Bio sponge filter media pads - filter,

Bio sponge filter media pads - filter,

$19.65
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Aquadock koi pressure filter - aquadock,

Aquadock koi pressure filter - aquadock,

$149.99
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1000 gallon pressurized bio - gallon,

1000 gallon pressurized bio - gallon,

$120.99
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Pressure biological pond - biological,

Pressure biological pond - biological,

$79.99
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Pond filter replacement - filter, sponge

Pond filter replacement - filter, sponge

$28.21
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2642 gph pond - 2642, system

2642 gph pond - 2642, system

$159.99
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Filter media mesh bags - mesh, plastic

Filter media mesh bags - mesh, plastic

$21.99
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5m3 filtration fish pond - filtration,

5m3 filtration fish pond - filtration,

$1056.59
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Jebao bio pressure with - pressure, 24w

Jebao bio pressure with - pressure, 24w

$159.99
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690 900gph pond - 690-900gph, filter

690 900gph pond - 690-900gph, filter

$65.95
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Premium koi pond filter media - koi,

Premium koi pond filter media - koi,

$33.99
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Roll wet dry - wet,

Roll wet dry - wet,

$17.06
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Aquaneat replacement sponge - aquaneat,

Aquaneat replacement sponge - aquaneat,

$22.39
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Bulk filter media for koi - for,

Bulk filter media for koi - for,

$60.94
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2641gph circulation - 2641gph,

2641gph circulation - 2641gph,

$98.99
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Inch sump bottom - 4,

Inch sump bottom - 4,

$111.95
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Extra thick hard - hard, plastic

Extra thick hard - hard, plastic

$25.99
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Aquadock koi pressure - aquadock, filter

Aquadock koi pressure - aquadock, filter

$189.99
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Sunsun grech cpf pond - sunsun,

Sunsun grech cpf pond - sunsun,

$69.99
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New design moving bed - design,

New design moving bed - design,

$51.95
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$58.99
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900gph pond filter fountain - pond,

900gph pond filter fountain - pond,

$65.96
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Bio sponge filter media pads - filter,

Bio sponge filter media pads - filter,

$6.99
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80 bulk roll for - 10",

80 bulk roll for - 10",

$47.09
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Aquarium pond filter wool - aquarium,

Aquarium pond filter wool - aquarium,

$106.98
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Easypro 6000 pressurized bead - 6000,

Easypro 6000 pressurized bead - 6000,

$1511.99
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18x120 aquarium filter - 18x120,

18x120 aquarium filter - 18x120,

$22.99
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Sunsun cpf 250 pressure bio - sunsun,

Sunsun cpf 250 pressure bio - sunsun,

$139.99
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Pond aquarium filter media - aquarium,

Pond aquarium filter media - aquarium,

$22.95
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Aquarium crystal clear filter - aquarium,

Aquarium crystal clear filter - aquarium,

$15.29
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Pack koi pond filter pad - pond,

Pack koi pond filter pad - pond,

$11.95
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790 gph floating - gph, pool

790 gph floating - gph, pool

$59.99
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Foam filter pads fit - foam,

Foam filter pads fit - foam,

$35.99
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Bio sponge filter media - bio,

Bio sponge filter media - bio,

$28.99
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Gal premium quality pumice - 1,

Gal premium quality pumice - 1,

$33.59
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Bio sponge filter media pads - bio,

Bio sponge filter media pads - bio,

$17.99
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Antfraer 660gph pond filter - antfraer,

Antfraer 660gph pond filter - antfraer,

$49.99
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Pond filter and pump kit - pond, with

Pond filter and pump kit - pond, with

$58.72
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Submersible pond filter pump - pond,

Submersible pond filter pump - pond,

$58.99
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Vcraze 35w 550gph pond filter - vcraze,

Vcraze 35w 550gph pond filter - vcraze,

$94.99
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Pond filter with pump fountain - with,

Pond filter with pump fountain - with,

$83.99
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Oxyful 24w light clarifier - light,

Oxyful 24w light clarifier - light,

$193.72
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📊96 listings · from $6.99 · avg $118.86

Browse 96 koi filter listings currently in our index. Prices range from $6.99 to $1511.99, with an average of $118.86. 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 $6.99, while premium listings can reach $1511.99 — giving you a wide budget spread to work with. The average price of $118.86 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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