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External filter

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External filter for sale on largest auction and classifieds sites

Home / / External filter refurbished & used for sale | For Sale USA
Vevor 396gph canister filter - vevor,

Vevor 396gph canister filter - vevor,

$68.79
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Fish tank filter - tank,

Fish tank filter - tank,

$38.88
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Rheem rxhf external - external, filter

Rheem rxhf external - external, filter

$75.00
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Corvette external - 20-27,

Corvette external - 20-27,

$89.99
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Uimoso external gallon - external, 75

Uimoso external gallon - external, 75

$60.99
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Aqueon quietflow canister - quietflow,

Aqueon quietflow canister - quietflow,

$59.98
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Vevor 264gph canister - vevor,

Vevor 264gph canister - vevor,

$53.99
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Uimoso 700 gph - uimoso,

Uimoso 700 gph - uimoso,

$98.99
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Vevor 528gph canister filter - canister,

Vevor 528gph canister filter - canister,

$85.90
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Aquarium waterfall filter pump - waterfall,

Aquarium waterfall filter pump - waterfall,

$9.89
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Vevor canister filter 700 gph - canister,

Vevor canister filter 700 gph - canister,

$111.90
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External hang back aquarium - external, hang-on-back

External hang back aquarium - external, hang-on-back

$40.16
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Vevor 396gph canister filter - canister,

Vevor 396gph canister filter - canister,

$66.92
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Rheem rxhf external filter - external,

Rheem rxhf external filter - external,

$150.00
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Aquarium external ultra - external, ultra-quiet

Aquarium external ultra - external, ultra-quiet

$120.00
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Canister filter external - canister,

Canister filter external - canister,

$112.98
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Fish tank filter aquarium - fish,

Fish tank filter aquarium - fish,

$37.48
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Marineland penguin 350b - penguin,

Marineland penguin 350b - penguin,

$59.99
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Vevor 528gph canister filter - vevor,

Vevor 528gph canister filter - vevor,

$89.99
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Aquarium waterfall filter - aquarium,

Aquarium waterfall filter - aquarium,

$9.80
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Aquarium waterfall filter pump - filter,

Aquarium waterfall filter pump - filter,

$9.98
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Aqueon quietflow led - 20,

Aqueon quietflow led - 20,

$24.99
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Aquarium waterfall filter - aquarium, pump

Aquarium waterfall filter - aquarium, pump

$9.89
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Vevor 224 5gph canister - 224.5gph,

Vevor 224 5gph canister - 224.5gph,

$65.90
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External aquarium filter - aquarium,

External aquarium filter - aquarium,

$48.60
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Aqueon smartclean power filter - aqueon,

Aqueon smartclean power filter - aqueon,

$25.98
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Canister filter external - filter,

Canister filter external - filter,

$87.59
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Vevor 224 5gph - canister, filter

Vevor 224 5gph - canister, filter

$59.90
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Api rena filstar - api, xp

Api rena filstar - api, xp

$79.95
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Whisper filter for - ex, to

Whisper filter for - ex, to

$72.46
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External hang back canister - hang-on-back,

External hang back canister - hang-on-back,

$39.20
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Fluidized media reactor - fluidized,

Fluidized media reactor - fluidized,

$39.00
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Fluval power filter - ac, size

Fluval power filter - ac, size

$51.99
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Cfs 700 aquarium - 700, canister

Cfs 700 aquarium - 700, canister

$169.95
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Uimoso 528gph stage - uimoso, external

Uimoso 528gph stage - uimoso, external

$82.99
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Brand new top fin silenstream - new,

Brand new top fin silenstream - new,

$19.99
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External canister aquarium - canister,

External canister aquarium - canister,

$100.91
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Seachem tidal 110 gallon - seachem,

Seachem tidal 110 gallon - seachem,

$45.00
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Aquarium external ultra - aquarium, ultra-quiet

Aquarium external ultra - aquarium, ultra-quiet

$120.00
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External hang back stage - 3,

External hang back stage - 3,

$50.25
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Aqueon high quality carbon - aqueon,

Aqueon high quality carbon - aqueon,

$14.95
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Sunsun stage external - sunsun, 3-stage

Sunsun stage external - sunsun, 3-stage

$43.99
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Uimoso 224 5gph stage - uimoso, 3-stage

Uimoso 224 5gph stage - uimoso, 3-stage

$51.99
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Uimoso external aquarium - uimoso,

Uimoso external aquarium - uimoso,

$89.99
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Sunsun aquarium external - sunsun,

Sunsun aquarium external - sunsun,

$153.99
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External hang back aquarium - hang-on-back,

External hang back aquarium - hang-on-back,

$38.49
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Pcs bio double sponge filter - bio,

Pcs bio double sponge filter - bio,

$14.98
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Cnz sun 704b 525 gph - sun,

Cnz sun 704b 525 gph - sun,

$119.99
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Cfs 130 aquarium canister - 130,

Cfs 130 aquarium canister - 130,

$39.95
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Bio sponge filter breeding fry - bio,

Bio sponge filter breeding fry - bio,

$12.99
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Aquarium external canister - aquarium,

Aquarium external canister - aquarium,

$48.60
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External hang back aquarium - hang-on-back,

External hang back aquarium - hang-on-back,

$43.13
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Uimoso 396gph stage - uimoso, external

Uimoso 396gph stage - uimoso, external

$66.97
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Vevor 224 5gph canister filter - 224.5gph,

Vevor 224 5gph canister filter - 224.5gph,

$59.90
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Oase biomaster thermo - 2, 350

Oase biomaster thermo - 2, 350

$269.99
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Aquarium fish tank mini - aquarium,

Aquarium fish tank mini - aquarium,

$9.99
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Sunsun 302 external - hw-302,

Sunsun 302 external - hw-302,

$40.00
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Sunsun 106gph stage external - sunsun,

Sunsun 106gph stage external - sunsun,

$43.99
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Oase biomaster thermo 350 - thermo,

Oase biomaster thermo 350 - thermo,

$289.95
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Seachem large aquarium - large,

Seachem large aquarium - large,

$87.09
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Used cfs 700 aquarium canister - cfs,

Used cfs 700 aquarium canister - cfs,

$138.95
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Aqueon quietflow led pro - aqueon,

Aqueon quietflow led pro - aqueon,

$79.99
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Aquarium canister filter for - aquarium,

Aquarium canister filter for - aquarium,

$130.99
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New seachem tidal hob - new, power

New seachem tidal hob - new, power

$52.99
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Aquarium waterfall filter - filter, pump

Aquarium waterfall filter - filter, pump

$9.99
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Aquarium filter with - filter, uv

Aquarium filter with - filter, uv

$30.06
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Uimoso 264 gph stage - gph, 2-stage

Uimoso 264 gph stage - gph, 2-stage

$63.99
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Vevor gallon aquarium - 75,

Vevor gallon aquarium - 75,

$73.90
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Stage external canister pump - canister,

Stage external canister pump - canister,

$25.00
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Free shipping fluval 407 - fluval,

Free shipping fluval 407 - fluval,

$230.00
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Fluval uvc watt - fx, 6-watt

Fluval uvc watt - fx, 6-watt

$83.99
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Aquarium hang filter - filter, pump

Aquarium hang filter - filter, pump

$9.68
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Large hang back aquarium - large,

Large hang back aquarium - large,

$85.99
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Uimoso stage external - uimoso, 4-stage

Uimoso stage external - uimoso, 4-stage

$79.99
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Eheim ecco pro 300 - eheim,

Eheim ecco pro 300 - eheim,

$149.00
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302 stage external - hw-302,

302 stage external - hw-302,

$97.95
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Fish tank water filter pump - filter,

Fish tank water filter pump - filter,

$60.60
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Vevor 264gph canister filter - vevor,

Vevor 264gph canister filter - vevor,

$68.99
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Pondforse canister filter - pondforse,

Pondforse canister filter - pondforse,

$50.00
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Oase biomaster 350 canister - oase,

Oase biomaster 350 canister - oase,

$249.99
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Ultra quiet canister - ultra-quiet,

Ultra quiet canister - ultra-quiet,

$269.99
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Aquarium fish tank - tank, freshwater

Aquarium fish tank - tank, freshwater

$48.60
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Quiet hang back aquarium - back,

Quiet hang back aquarium - back,

$35.61
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Ultra quiet aquarium power - quiet,

Ultra quiet aquarium power - quiet,

$36.74
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Aquarium waterfall filter pump - aquarium,

Aquarium waterfall filter pump - aquarium,

$9.99
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For fish tank - fish,

For fish tank - fish,

$16.98
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Aquarium waterfall filter pump - aquarium,

Aquarium waterfall filter pump - aquarium,

$9.89
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Fishtank aqueon smartclean - aqueon,

Fishtank aqueon smartclean - aqueon,

$39.99
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Cascade pro series - series, aquarium

Cascade pro series - series, aquarium

$145.99
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Sunsun 106gph stage - 106gph, external

Sunsun 106gph stage - 106gph, external

$39.99
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Vevor 396gph canister - canister, filter

Vevor 396gph canister - canister, filter

$96.09
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Amosijoy small canister filter - amosijoy,

Amosijoy small canister filter - amosijoy,

$67.89
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Stage external canister pump - 3-stage,

Stage external canister pump - 3-stage,

$49.99
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Aqueon quietflow replacement - quietflow,

Aqueon quietflow replacement - quietflow,

$9.99
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Aqueon replacement filter - aqueon,

Aqueon replacement filter - aqueon,

$28.95
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Aquatop 500uv external - aquatop, cf-500uv

Aquatop 500uv external - aquatop, cf-500uv

$85.00
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📊96 listings · from $9.68 · avg $72.4

Browse 96 external filter listings currently in our index. Prices range from $9.68 to $289.95, with an average of $72.4. 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 external filter →

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Everything you need to know about external filter

Whether you are looking for a brand-new or second-hand external 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 $9.68, while premium listings can reach $289.95 — giving you a wide budget spread to work with. The average price of $72.4 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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