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Fluval fx4

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Fluval fx4 high performance - fx4,

Fluval fx4 high performance - fx4,

$337.99
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New unopened fluval - new, a214

New unopened fluval - new, a214

$325.00
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Fluval uvc 6 watt - (4),

Fluval uvc 6 watt - (4),

$335.00
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Fluval fx4 fx5 fx6 - purge, valve

Fluval fx4 fx5 fx6 - purge, valve

$20.99
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Fluval fx4 filter - fluval,

Fluval fx4 filter - fluval,

$112.99
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Fluval fx4 output nozzle - output,

Fluval fx4 output nozzle - output,

$14.49
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Aquarium spray bar kit - fx,

Aquarium spray bar kit - fx,

$38.99
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Aquarium media kits - kits, compatible

Aquarium media kits - kits, compatible

$60.78
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Fluval fx4 fx5 - fx4/fx5/fx6, intake

Fluval fx4 fx5 - fx4/fx5/fx6, intake

$14.99
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Fluval fx4 fx5 fx6 rubber - fx4/fx5/fx6,

Fluval fx4 fx5 fx6 rubber - fx4/fx5/fx6,

$10.99
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Fluval ribbed hosing for - fluval,

Fluval ribbed hosing for - fluval,

$33.29
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Fluval fx4 high - fx4, performance

Fluval fx4 high - fx4, performance

$337.99
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Fluval fx4 fx6 canister filter - fluval,

Fluval fx4 fx6 canister filter - fluval,

$114.49
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Replacement filter media kit - replacement,

Replacement filter media kit - replacement,

$39.99
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Random flow generator nozzles - random,

Random flow generator nozzles - random,

$69.99
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Aquarium media kits - aquarium,

Aquarium media kits - aquarium,

$111.15
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Fluval uvc watt - fx,

Fluval uvc watt - fx,

$104.99
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Fluval fx4 fx5 - fluval, fx4/fx5/fx6

Fluval fx4 fx5 - fluval, fx4/fx5/fx6

$13.49
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Replacement spray bar kit for - kit,

Replacement spray bar kit for - kit,

$43.19
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Fluval fx4 filter motor unit - fx4,

Fluval fx4 filter motor unit - fx4,

$69.00
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Fluval fx4 fx6 lid - fluval,

Fluval fx4 fx6 lid - fluval,

$13.79
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Fluval fx2 fx4 fx5 fx6 - fluval, fx2/fx4/fx5/fx6

Fluval fx2 fx4 fx5 fx6 - fluval, fx2/fx4/fx5/fx6

$11.69
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Fluval impeller assembly for - impeller,

Fluval impeller assembly for - impeller,

$27.99
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Fluval fx4 high performance - fluval,

Fluval fx4 high performance - fluval,

$337.99
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Fluval fx4 high - fluval,

Fluval fx4 high - fluval,

$359.99
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Pack lid fastener barrel - lid,

Pack lid fastener barrel - lid,

$14.99
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Fluval fx4 service kit - fx4,

Fluval fx4 service kit - fx4,

$60.00
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Ribbed hose for - ribbed, fx4

Ribbed hose for - ribbed, fx4

$30.98
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Pcs aquarium filter media - aquarium,

Pcs aquarium filter media - aquarium,

$94.10
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Replacement filter media kit - media,

Replacement filter media kit - media,

$64.02
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Pcs compatible with - compatible, fluval

Pcs compatible with - compatible, fluval

$125.99
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Fluval fx4 magnetic - fluval,

Fluval fx4 magnetic - fluval,

$37.29
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Fluval fx4 fx5 - fluval, stem

Fluval fx4 fx5 - fluval, stem

$18.99
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Fluval fx4 fx5 - fluval, insert

Fluval fx4 fx5 - fluval, insert

$20.49
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Fluval spray bar kit for - kit,

Fluval spray bar kit for - kit,

$37.99
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Aquarium media kits for - aquarium, fluval

Aquarium media kits for - aquarium, fluval

$72.99
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Filter intake stem - intake,

Filter intake stem - intake,

$35.10
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Aquarium foam filter - aquarium, for

Aquarium foam filter - aquarium, for

$16.99
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Aquarium media kits - aquarium,

Aquarium media kits - aquarium,

$110.68
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Pcs replacement filter - pcs,

Pcs replacement filter - pcs,

$84.95
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Ribbed hose for fluval - hose, fx4

Ribbed hose for fluval - hose, fx4

$31.57
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Fluval max clean pads for - max-clean,

Fluval max clean pads for - max-clean,

$12.29
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Fx4 high performance canister - high,

Fx4 high performance canister - high,

$371.79
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Aquarium foam filter - aquarium,

Aquarium foam filter - aquarium,

$25.99
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Fluval service kit for - for, fx4

Fluval service kit for - for, fx4

$70.99
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A20236 ribbed hosing - a20236, for

A20236 ribbed hosing - a20236, for

$31.34
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Pack lid fastener barrel - 18,

Pack lid fastener barrel - 18,

$16.99
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Fluval fx4 2650l high - fluval,

Fluval fx4 2650l high - fluval,

$300.00
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Fluval fx4 canister filter - fx4,

Fluval fx4 canister filter - fx4,

$109.74
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4ft ribbed hose - 16.4ft, fits

4ft ribbed hose - 16.4ft, fits

$36.46
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Random flow generator nozzles - generator,

Random flow generator nozzles - generator,

$62.99
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Aquarium intake guard - intake,

Aquarium intake guard - intake,

$21.15
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A20236 ribbed hosing fit - a20236,

A20236 ribbed hosing fit - a20236,

$34.94
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Fluval fx4 fx5 fx6 top - fluval, fx4/fx5/fx6

Fluval fx4 fx5 fx6 top - fluval, fx4/fx5/fx6

$14.39
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Aquarium intake guard - intake,

Aquarium intake guard - intake,

$24.99
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Replacement filter media kit - filter,

Replacement filter media kit - filter,

$60.78
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Fluval fx4 fx5 - fx4, fx6

Fluval fx4 fx5 - fx4, fx6

$11.33
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Pack lid fastener barrel - pack,

Pack lid fastener barrel - pack,

$16.49
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Rim connector pair for fluval - pair,

Rim connector pair for fluval - pair,

$24.99
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Fx4 foam filter pads - filter,

Fx4 foam filter pads - filter,

$49.96
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Pcs filter media - 17,

Pcs filter media - 17,

$58.99
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Fluval fx2 fx4 fx5 - fluval, fx2/fx4/fx5/fx6

Fluval fx2 fx4 fx5 - fluval, fx2/fx4/fx5/fx6

$39.99
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Fluval fx4 fx5 fx6 - fx4,

Fluval fx4 fx5 fx6 - fx4,

$13.59
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Pack lid fastener - fastener, barrel

Pack lid fastener - fastener, barrel

$17.93
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Fluval fx4 canister filter - fx4,

Fluval fx4 canister filter - fx4,

$126.61
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Ribbed hose for - hose,

Ribbed hose for - hose,

$31.59
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Spray bar kit replacement - fx,

Spray bar kit replacement - fx,

$36.46
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Impeller shaft for - for, fx2/fx4

Impeller shaft for - for, fx2/fx4

$12.49
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Fluval fx4 fx5 fx6 canister - fluval,

Fluval fx4 fx5 fx6 canister - fluval,

$6.95
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Pack lid fastener - fastener, barrel

Pack lid fastener - fastener, barrel

$16.59
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Fluval fx2 fx4 - fluval, fx2/fx4/fx5/fx6

Fluval fx2 fx4 - fluval, fx2/fx4/fx5/fx6

$11.49
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Fluval fx4 fx5 fx6 - fluval,

Fluval fx4 fx5 fx6 - fluval,

$14.99
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Fluval fx2 fx4 fx5 - fluval, fx2/fx4/fx5/fx6

Fluval fx2 fx4 fx5 - fluval, fx2/fx4/fx5/fx6

$11.29
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Fluval fx4 annual high - fx4,

Fluval fx4 annual high - fx4,

$109.74
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Fluval fx4 fx5 fx6 - fx4,

Fluval fx4 fx5 fx6 - fx4,

$24.92
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Pack lid fastener barrel - pack,

Pack lid fastener barrel - pack,

$19.29
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Pcs foam filter pads - foam,

Pcs foam filter pads - foam,

$75.99
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Fluval fx4 fx5 fx6 canister - fluval, fx4/fx5/fx6

Fluval fx4 fx5 fx6 canister - fluval, fx4/fx5/fx6

$60.98
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Fluval fx2 fx4 fx5 fx6 - fluval, fx2/fx4/fx5/fx6

Fluval fx2 fx4 fx5 fx6 - fluval, fx2/fx4/fx5/fx6

$18.99
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Pcs fx6 filter media - 24,

Pcs fx6 filter media - 24,

$49.05
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Fluval fx6 fx5 fx4 - fx6, motor

Fluval fx6 fx5 fx4 - fx6, motor

$12.00
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Replacement white foam - foam, filter

Replacement white foam - foam, filter

$28.03
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Fluval fx4 fx5 - fx4/fx5/fx6, semi

Fluval fx4 fx5 - fx4/fx5/fx6, semi

$81.94
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20pc aquarium filter media - media, kit

20pc aquarium filter media - media, kit

$59.99
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Fluval spray bar - spray, for

Fluval spray bar - spray, for

$45.99
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Pcs aquarium media kits - pcs,

Pcs aquarium media kits - pcs,

$108.70
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Fluval fx4 motor seal - motor, ring

Fluval fx4 motor seal - motor, ring

$7.69
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20pc aquarium filter media kit - filter,

20pc aquarium filter media kit - filter,

$59.99
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Pcs aquarium foam filter - 30,

Pcs aquarium foam filter - 30,

$49.49
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Pcs aquarium foam filter - aquarium,

Pcs aquarium foam filter - aquarium,

$52.82
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Fluval a20212 20212 - fluval, o-rings

Fluval a20212 20212 - fluval, o-rings

$10.99
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Fluval fx2 fx4 - fx2/fx4/fx5/fx6, carbon

Fluval fx2 fx4 - fx2/fx4/fx5/fx6, carbon

$18.99
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Fluval replacement rubber - fluval,

Fluval replacement rubber - fluval,

$13.77
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Fluval phosphate remover pads - remover,

Fluval phosphate remover pads - remover,

$9.49
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Fx4 service kit aquarium - service, kit,

Fx4 service kit aquarium - service, kit,

$93.44
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Filter fluval fx4 high - filter,

Filter fluval fx4 high - filter,

$523.99
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Looking for more fluval fx4?

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📊96 listings · from $6.95 · avg $73.45

Browse 96 fluval fx4 listings currently in our index. Prices range from $6.95 to $523.99, with an average of $73.45. 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 fluval fx4 →

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Everything you need to know about fluval fx4

Whether you are looking for a brand-new or second-hand fluval fx4, 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 $6.95, while premium listings can reach $523.99 — giving you a wide budget spread to work with. The average price of $73.45 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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