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Koi filter

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Koi filter for sale on largest auction and classifieds sites

Home / / Koi filter refurbished & used for sale | For Sale USA
2630gph 2600gal pressure - 2600gal, bio

2630gph 2600gal pressure - 2600gal, 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 pond - 790,

790 gph submersible koi pond - 790,

$62.95
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Pressure biological pond - biological,

Pressure biological pond - biological,

$79.99
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1580gph pond pressure bio - pressure,

1580gph pond pressure bio - pressure,

$79.99
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1840gph pond pressure bio - 1840gph,

1840gph pond pressure bio - 1840gph,

$86.99
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Aquatic experts classic koi - classic,

Aquatic experts classic koi - classic,

$69.99
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Pond pressure bio filter - pressure,

Pond pressure bio filter - pressure,

$149.99
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1580gph pond pressure - pond,

1580gph pond pressure - pond,

$79.99
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Aquatic experts koi pond - koi,

Aquatic experts koi pond - koi,

$69.99
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2600 gal pond pressure - 2600,

2600 gal pond pressure - 2600,

$118.95
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Pressure biological pond - biological,

Pressure biological pond - biological,

$78.97
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Pond filter - pond,

Pond filter - pond,

$15.99
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Aquatic experts classic - experts,

Aquatic experts classic - experts,

$49.99
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Black knight koi - black,

Black knight koi - black,

$73.95
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Combo 10000l koi - koi, pond

Combo 10000l koi - koi, pond

$298.99
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Vivogrow 1840gph pressure - pressure, koi

Vivogrow 1840gph pressure - pressure, koi

$87.99
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Pressure biological pond - pressure,

Pressure biological pond - pressure,

$79.99
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1840gph pond pressure bio - pressure,

1840gph pond pressure bio - pressure,

$86.99
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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,

$79.99
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Hard coarse japanese filter - coarse,

Hard coarse japanese filter - coarse,

$70.99
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Bio sponge filter foam pad - sponge,

Bio sponge filter foam pad - sponge,

$21.00
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Vivogrow pond pressure - vivogrow,

Vivogrow pond pressure - vivogrow,

$66.39
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1580 1840 2630gph - 1580/1840/2630gph, pressure

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

$79.99
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Lbs activated carbon bulk - 5,

Lbs activated carbon bulk - 5,

$19.93
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Pack koi pond - filter, pad

Pack koi pond - filter, pad

$11.95
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790 gph submersible koi - submersible,

790 gph submersible koi - submersible,

$40.62
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Bio media filter - bio,

Bio media filter - bio,

$60.00
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New jebao koi pond - jebao,

New jebao koi pond - jebao,

$88.95
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Antfraer 660gph pond filter - antfraer,

Antfraer 660gph pond filter - antfraer,

$49.99
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Premium koi pond filter media - koi,

Premium koi pond filter media - koi,

$35.11
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Submersible pond filter pump - filter,

Submersible pond filter pump - filter,

$49.99
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2640 gph auto cleaning - gph, auto-cleaning

2640 gph auto cleaning - gph, auto-cleaning

$125.00
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1580gph pond pressure - pressure, bio

1580gph pond pressure - pressure, bio

$79.99
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Bio sponge filter media - bio,

Bio sponge filter media - bio,

$24.99
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Bio filter 10000l liter - filter,

Bio filter 10000l liter - filter,

$298.99
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1840gph pond pressure bio - pond,

1840gph pond pressure bio - pond,

$86.99
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Powerful 3000l submersible - powerful,

Powerful 3000l submersible - powerful,

$32.39
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Submersible koi pond - submersible,

Submersible koi pond - submersible,

$41.82
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80 bulk roll for - bulk,

80 bulk roll for - bulk,

$47.09
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Extra thick japanese - thick,

Extra thick japanese - thick,

$61.00
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Vivogrow 1580gph 1600 - vivogrow,

Vivogrow 1580gph 1600 - vivogrow,

$79.99
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Extra thick hard plastic - thick,

Extra thick hard plastic - thick,

$49.99
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2630gph pond pressure bio - 2630gph,

2630gph pond pressure bio - 2630gph,

$118.95
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Lbs activated carbon bulk - lbs,

Lbs activated carbon bulk - lbs,

$22.31
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Bulk filter media for - for, koi

Bulk filter media for - for, koi

$72.80
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Submersible pond filter pump - pond,

Submersible pond filter pump - pond,

$56.96
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690gph pond filter fountain - 690gph,

690gph pond filter fountain - 690gph,

$59.97
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1500 gallon pressurized bio - 1500,

1500 gallon pressurized bio - 1500,

$149.99
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Aquatic experts classic koi - classic,

Aquatic experts classic koi - classic,

$51.99
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New design moving bed - new,

New design moving bed - new,

$51.95
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Feet bulk pond bio - 4,

Feet bulk pond bio - 4,

$16.56
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Bio sponge filter - filter, pads

Bio sponge filter - filter, pads

$23.49
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Bio sponge filter - filter, pads

Bio sponge filter - filter, pads

$32.97
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Bulk roll filter media - bulk, koi

Bulk roll filter media - bulk, koi

$60.94
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Bio sponge filter media pads - filter,

Bio sponge filter media pads - filter,

$19.99
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Aquaneat replacement sponge - aquaneat,

Aquaneat replacement sponge - aquaneat,

$22.39
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1580gph pond pressure bio - 1580gph,

1580gph pond pressure bio - 1580gph,

$79.99
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Sponge filter pad - sponge,

Sponge filter pad - sponge,

$38.99
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Premium koi pond filter - koi,

Premium koi pond filter - koi,

$41.11
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Submersible pond filter pump - submersible,

Submersible pond filter pump - submersible,

$56.96
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Pond filter pad thick x - filter,

Pond filter pad thick x - filter,

$33.17
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Bio sponge filter media pads - bio,

Bio sponge filter media pads - bio,

$24.99
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Thick universal pond - 2",

Thick universal pond - 2",

$74.38
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Premium koi pond filter media - koi,

Premium koi pond filter media - koi,

$41.11
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Koi pond and aquarium - koi,

Koi pond and aquarium - koi,

$45.89
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Bulk filter media for - filter, pond

Bulk filter media for - filter, pond

$60.94
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New biological mechanical - new, biological/mechanical

New biological mechanical - new, biological/mechanical

$99.00
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690 900gph pond filter - pond,

690 900gph pond filter - pond,

$65.95
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500 pcs bulk - premier, 1.25"

500 pcs bulk - premier, 1.25"

$35.30
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1320 gph pond pump - gph,

1320 gph pond pump - gph,

$56.99
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Submersible koi pond - koi, filter

Submersible koi pond - koi, filter

$44.92
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Pond filter pad thick - pond, 2"

Pond filter pad thick - pond, 2"

$52.15
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Sponge filter pad for - x,

Sponge filter pad for - x,

$23.99
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Bio fine classic koi - bio-fine,

Bio fine classic koi - bio-fine,

$43.99
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Pack pond filter brush - 3,

Pack pond filter brush - 3,

$36.99
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Bulk roll filter media for - bulk,

Bulk roll filter media for - bulk,

$83.89
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Koi pond and - koi,

Koi pond and - koi,

$48.44
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Roll wet dry filter - 60",

Roll wet dry filter - 60",

$17.06
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Sunsun grech cpf 250 11w - grech, cpf-250

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

$124.99
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790 gph floating pond - pond, pool

790 gph floating pond - pond, pool

$59.99
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Japanese filter matting blue - japanese,

Japanese filter matting blue - japanese,

$37.99
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Pond filter - pond,

Pond filter - pond,

$13.99
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Koi pond and aquarium filter - koi,

Koi pond and aquarium filter - koi,

$46.62
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10000l koi pond pressure bio - pond,

10000l koi pond pressure bio - pond,

$165.99
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2642 gph pond filter system - 2642,

2642 gph pond filter system - 2642,

$169.99
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Bio pressure pond filter - bio,

Bio pressure pond filter - bio,

$149.99
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Lbs activated carbon in - 10,

Lbs activated carbon in - 10,

$41.79
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Savio springflo bio filter - savio,

Savio springflo bio filter - savio,

$49.99
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Aquarium fish tanks - tanks, koi

Aquarium fish tanks - tanks, koi

$59.39
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Pondh2o pressurized pond - pressurized,

Pondh2o pressurized pond - pressurized,

$199.95
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Ep red koi fish - 1-25"x,

Ep red koi fish - 1-25"x,

$29.91
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Aqua flo pond beige - aqua-flo,

Aqua flo pond beige - aqua-flo,

$39.49
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Variable flow rate fountain - variable,

Variable flow rate fountain - variable,

$69.99
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Three seconds 1840gph - 1840gph, bio

Three seconds 1840gph - 1840gph, bio

$75.00
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📊96 listings · from $11.95 · avg $70.77

Browse 96 koi filter listings currently in our index. Prices range from $11.95 to $298.99, with an average of $70.77. 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 $298.99 — giving you a wide budget spread to work with. The average price of $70.77 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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