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2630gph 2600gal pressure bio - pressure,

2630gph 2600gal pressure bio - pressure,

$114.39
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Vivogrow 1580gph 1600 gal - 1600,

Vivogrow 1580gph 1600 gal - 1600,

$79.99
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1580gph pond pressure bio - pressure,

1580gph pond pressure bio - pressure,

$79.99
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10000l koi pond pressurized - pond,

10000l koi pond pressurized - pond,

$182.99
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Vivogrow pond pressure bio - vivogrow,

Vivogrow pond pressure bio - vivogrow,

$66.39
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Bio sponge filter - bio,

Bio sponge filter - bio,

$13.49
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690gph pond filter fountain - pond,

690gph pond filter fountain - pond,

$65.97
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1500 gallon pressurized bio - gallon,

1500 gallon pressurized bio - gallon,

$149.99
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Aquatic experts classic - experts,

Aquatic experts classic - experts,

$84.99
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Bio sponge filter foam - filter, pad

Bio sponge filter foam - filter, pad

$16.78
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900gph pond filter fountain - 900gph,

900gph pond filter fountain - 900gph,

$65.96
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Bio filter 10000l liter - 10000l, for

Bio filter 10000l liter - 10000l, for

$298.99
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Lbs activated carbon bulk - 5,

Lbs activated carbon bulk - 5,

$19.93
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Variable flow rate fountain - variable,

Variable flow rate fountain - variable,

$69.99
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Aquascape 91017 aquasurge 2000 - aquascape,

Aquascape 91017 aquasurge 2000 - aquascape,

$351.99
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Pondh2o bio gravity pond - pondh2o,

Pondh2o bio gravity pond - pondh2o,

$101.95
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Aquatic experts koi - aquatic,

Aquatic experts koi - aquatic,

$119.99
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2630gph 2600gal pressure - pressure, bio

2630gph 2600gal pressure - pressure, bio

$114.94
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Vivogrow 1840gph pressure koi - vivogrow,

Vivogrow 1840gph pressure koi - vivogrow,

$109.99
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8000gph rotary drum filter rdf - drum,

8000gph rotary drum filter rdf - drum,

$300.00
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Submersible pond filter pump - pond,

Submersible pond filter pump - pond,

$52.97
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Pond filter - pond,

Pond filter - pond,

$14.24
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Sungrow aquarium crystal clear - sungrow,

Sungrow aquarium crystal clear - sungrow,

$13.58
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$78.97
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1580gph pond pressure bio - pond,

1580gph pond pressure bio - pond,

$79.99
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Extra thick japanese - japanese, filter

Extra thick japanese - japanese, filter

$27.50
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Combo 10000l koi pond pressure - combo,

Combo 10000l koi pond pressure - combo,

$298.99
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Submersible pond filter pump - filter,

Submersible pond filter pump - filter,

$58.99
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Bio media filter - media, –

Bio media filter - media, –

$60.00
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Koitoilet bottom drain 3 - koitoilet, ii

Koitoilet bottom drain 3 - koitoilet, ii

$89.00
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Koi fish pond with all - fish,

Koi fish pond with all - fish,

$500.00
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Half off ponds hopbp - off, hopbp-4000h

Half off ponds hopbp - off, hopbp-4000h

$284.00
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Aquatic experts classic koi - experts,

Aquatic experts classic koi - experts,

$89.99
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$58.99
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Pressure biological pond - biological,

Pressure biological pond - biological,

$79.99
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New design moving bed - !,

New design moving bed - !,

$51.95
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Vivohome bio pressure pond - bio,

Vivohome bio pressure pond - bio,

$148.45
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Premium koi pond filter - premium,

Premium koi pond filter - premium,

$35.11
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Black knight koi pond - knight, filter

Black knight koi pond - knight, filter

$73.95
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New jebao koi pond - pu-36,

New jebao koi pond - pu-36,

$88.95
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Premium koi pond filter - koi,

Premium koi pond filter - koi,

$41.99
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Round matala pack - round,

Round matala pack - round,

$139.50
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Bio sponge filter media - sponge,

Bio sponge filter media - sponge,

$10.99
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Pond pressure bio filter - pond,

Pond pressure bio filter - pond,

$159.99
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1580gph pond pressure - pond, bio

1580gph pond pressure - pond, bio

$79.99
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36 white bulk roll - 36",

36 white bulk roll - 36",

$52.15
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Bulk roll filter media for - bulk,

Bulk roll filter media for - bulk,

$60.94
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Roll wet dry filter - dry, floss

Roll wet dry filter - dry, floss

$17.06
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Pond filter - pond,

Pond filter - pond,

$13.29
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Classic koi pond filter pad - koi,

Classic koi pond filter pad - koi,

$69.81
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1580gph pond pressure - 1580gph,

1580gph pond pressure - 1580gph,

$79.99
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Hard coarse japanese filter - hard,

Hard coarse japanese filter - hard,

$70.99
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Pond filter replacement sponge - replacement,

Pond filter replacement sponge - replacement,

$28.21
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$79.99
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1000 gallon pressurized bio - gallon,

1000 gallon pressurized bio - gallon,

$120.99
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690 900gph pond filter - pond,

690 900gph pond filter - pond,

$65.95
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Bio sponge filter foam pad - foam,

Bio sponge filter foam pad - foam,

$10.89
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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 pads - bio,

Bio sponge filter media pads - bio,

$18.25
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$79.99
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10000l koi pond pressure - koi,

10000l koi pond pressure - koi,

$165.99
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Small automatic backwash - small,

Small automatic backwash - small,

$189.99
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Inch sump bottom - 4,

Inch sump bottom - 4,

$111.95
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Bio sponge filter - sponge, pads

Bio sponge filter - sponge, pads

$13.87
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$58.99
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Lbs activated carbon bulk - lbs,

Lbs activated carbon bulk - lbs,

$22.31
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Thick universal pond - 2",

Thick universal pond - 2",

$74.38
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Aquadock koi pressure filter - aquadock,

Aquadock koi pressure filter - aquadock,

$149.99
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18x120 aquarium filter floss - aquarium,

18x120 aquarium filter floss - aquarium,

$22.99
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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,

$41.11
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5m3 filtration fish pond - 5m3/h,

5m3 filtration fish pond - 5m3/h,

$1056.59
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Premium koi pond filter media - pond,

Premium koi pond filter media - pond,

$33.99
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2641gph circulation - 2641gph,

2641gph circulation - 2641gph,

$98.99
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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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Bio sponge filter - sponge,

Bio sponge filter - sponge,

$17.99
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Pack koi pond - 3-pack,

Pack koi pond - 3-pack,

$11.95
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Aqua flo beige pond - 36"x,

Aqua flo beige pond - 36"x,

$112.14
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Submersible pond filter pump - pond,

Submersible pond filter pump - pond,

$58.99
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Drum filter aquaculture - filter,

Drum filter aquaculture - filter,

$758.19
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2642 gph pond filter system - 2642,

2642 gph pond filter system - 2642,

$159.99
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55w solar pond filter - 55w, &

55w solar pond filter - 55w, &

$186.99
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Premium koi pond - pond, media

Premium koi pond - pond, media

$41.11
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Submersible pond filter - submersible, pump

Submersible pond filter - submersible, pump

$52.97
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Aqua flo beige pond - 30"x, aqua-flo

Aqua flo beige pond - 30"x, aqua-flo

$77.87
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80 bulk roll for - 2", x

80 bulk roll for - 2", x

$47.09
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Gal premium quality pumice - gal,

Gal premium quality pumice - gal,

$33.59
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1320 gph pond pump adjustable - pond,

1320 gph pond pump adjustable - pond,

$56.99
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Aquaneat replacement sponge - aquaneat,

Aquaneat replacement sponge - aquaneat,

$22.39
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Pack pond filter brush - 3,

Pack pond filter brush - 3,

$36.99
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Jebao bio pressure with 24w - pressure,

Jebao bio pressure with 24w - pressure,

$159.99
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Submersible koi pond filter - koi,

Submersible koi pond filter - koi,

$41.80
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Versatile pond filter and pump - versatile,

Versatile pond filter and pump - versatile,

$64.57
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Replacement sponge filter - 4,

Replacement sponge filter - 4,

$9.99
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New jebao koi pond - ,

New jebao koi pond - ,

$129.95
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Oase koi pond vacuum - pond,

Oase koi pond vacuum - pond,

$150.00
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📊96 listings · from $9.99 · avg $106.57

Browse 96 koi filter listings currently in our index. Prices range from $9.99 to $1056.59, with an average of $106.57. 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 $9.99, while premium listings can reach $1056.59 — giving you a wide budget spread to work with. The average price of $106.57 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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