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FiltersFast carries a wide variety Fluval aquarium filters. Fluval aquarium filters are well-designed, self-contained filter systems and provide optimum filtration in a small footprint.

Fluval Aquarium Filters full product list:


Fluval C3 Aquarium Power Filter Bio Screen 3 Pack
(14021)

This is a 3 pack of Fluval Bio Screen Filters (14021) for the Fluval C3 Aquarium Filter System (14002). These Fluval Bio Screen filters are used as the Stage 4 biological filter media in the Fluval C3 Aquarium Power Filter System.


Special Order. Ships in 9 days.
Fluval C3 Aquarium Power Filter Bio Screen 3 Pack
Our Price: $9.49
Retail: $9.99
You Save 5%!

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Fluval C4 Aquarium Power Filter Bio Screen 3 Pack
(14022)

This is a 3 pack of Fluval Bio Screen Filters (14022) for the Fluval C4 Aquarium Filter System (14003). These Fluval Bio Screen filters are used as the Stage 4 biological filter media in the Fluval C4 Aquarium Power Filter System.


Special Order. Ships in 13 days.
Fluval C4 Aquarium Power Filter Bio Screen 3 Pack
Our Price: $9.99
Retail: $10.99
You Save 9%!

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Fluval C-Nodes for C2 & C3 Power Filter 3.5 oz
(14023)

This is a 3.5 ounce pack of Fluval C-Nodes (14023) used as the Stage 5 biological filter media in the Fluval C2 Aquarium Power Filter System (14001) and the Fluval C3 Aquarium Power Filter System (14002).


Special Order. Ships in 9 days.
Fluval C-Nodes for C2 & C3 Power Filter 3.5 oz
Our Price: $19.99
Retail: $22.99
You Save 13%!

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Fluval C-Nodes for Fluval C4 Power Filter 7 oz
(14024)

This is a 7 ounce pack of Fluval C-Nodes (14024) used as the Stage 5 biological filter media in the Fluval C4 Aquarium Power Filter System (14003).


Special Order. Ships in 8 days.
Fluval C-Nodes for Fluval C4 Power Filter 7 oz
Our Price: $15.99
Retail: $17.99
You Save 11%!

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Fluval BioMax Media for Aquariums 500 grms-17.63oz
(A1456)

This is a 17.63 ounce pack of Fluval BioMax Media (A1456) for use in many Fluval canister aquarium filter systems including the Fluval 105 Aquarium Canister Filter, Fluval 205 Aquarium Canister Filter, Fluval 305 Aquarium Canister Filter, Fluval 405


Special Order. Ships in 9 days.
Fluval BioMax Media for Aquariums 500 grms-17.63oz
Our Price: $13.99
Retail: $16.99
You Save 18%!

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Fluval FX5 Aquarium Canister Filter - A219
(A218)

The Fluval FX6 High Performance Canister Filter is a high performance canister filter that replaces the Fluval A218 (FX5) and features Smart Pump Technology that self-starts and can evacuate air that enters and buildup in the system.

Free shipping within the continental United States!

Special Order. Ships in 17 days.
Fluval FX5 Aquarium Canister Filter - A219
Our Price: $342.90
Retail: $609.99
You Save 44%!

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Fluval Foam for Fluval 204/205, Fluval 304/305 2pk 2-Pack
(A222)

This is a 2 pack of Fluval Foam Block Pad Filters (A222) for the Fluval 205 Aquarium Canister Filter System (A206) and the Fluval 305 Aquarium Canister Filter System (A211). These Fluval foam pad filters are used as the Stage 1 filter media in t


Special Order. Ships in 7 days.
Fluval Foam for Fluval 204/205, Fluval 304/305 2pk
Our Price: $13.98

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Fluval Foam Block for Fluval 404 / Fluval 405 2pk 2-Pack
(A226)

This is a 2 pack of Fluval Foam Block Pad Filters (A226) for the Fluval 405 Aquarium Canister Filter System (A216). These Fluval foam pad filters are used as the Stage 1 filter media in the Fluval 405 Canister Aquarium Filter System.


Special Order. Ships in 25 days.
Fluval Foam Block for Fluval 404 / Fluval 405 2pk
Our Price: $13.98

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Fluval Polishing Pads for Fluval 104/105/204/205
(A242)

This is a 3 pack of Fluval Polishing Pads (A242) for the Fluval 105 Aquarium Canister Filter System (A201) and the Fluval 205 Aquarium Canister Filter System (A206). These Fluval polishing foam pad filters are used as the Stage 2 filter media to cle


Special Order. Ships in 17 days.
Fluval Polishing Pads for Fluval 104/105/204/205
Our Price: $8.14
Retail: $9.99
You Save 19%!

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Fluval Polishing Pads for Fluval 304/305/404/4050
(A244)

This is a 6 pack of Fluval Polishing Pads (A244) for the Fluval 305 Aquarium Canister Filter System (A211) and the Fluval 405 Aquarium Canister Filter System (A216). These Fluval polishing foam pad filters are used as the Stage 2 filter media to cle


Special Order. Ships in 11 days.
Fluval Polishing Pads for Fluval 304/305/404/4050
Our Price: $6.99
Retail: $7.99
You Save 13%!

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Fluval Polishing Pads for Fluval FX5 Filter 3 pk 3-Pack
(A246)

This is a 3 pack of Fluval Polishing Pads (A246) for the Fluval FX5 Aquarium Canister Filter System (A218). These Fluval polishing pad filters are used as the Stage 2 mechanical filter media in the Fluval FX5 Aquarium Canister Filter System.


Special Order. Ships in 8 days.
Fluval Polishing Pads for Fluval FX5 Filter 3 pk
Our Price: $23.97

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Fluval U2 Underwater Aquarium Filter System
(A470)

The Fluval U2 Underwater Aquarium Filter System (A470) is a 3 stage aquarium filter unit for aquariums up to 30 gallons. The Fluval U2 Aquarium Filter System uses three stages for superior water quality and recirculation in aquariums, including a fo


Special Order. Ships in 6 days.
Fluval U2 Underwater Aquarium Filter System
Our Price: $39.99
Retail: $49.99
You Save 20%!

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Fluval U1 Underwater Filter Foam Pad - Fluval Foam
(A485)

This is a Fluval U1 Underwater Filter Foam Pad (A485) for the Fluval U1 Underwater Aquarium Filter System (A465). This Fluval foam pad filter is used as the Stage 1 mechanical filter media in the Fluval U1 Aquarium Filter System.


Special Order. Ships in 7 days.
Fluval U1 Underwater Filter Foam Pad - Fluval Foam
Our Price: $3.91
Retail: $3.99
You Save 2%!

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Fluval U2 Underwater Filter Foam Pad - Fluval Foam
(A486)

This is a Fluval U2 Underwater Filter Foam Pad (A486) for the Fluval U2 Underwater Aquarium Filter System (A470). This Fluval foam pad filter is used as the Stage 1 mechanical filter media in the Fluval U2 Aquarium Filter System.


Special Order. Ships in 8 days.
Fluval U2 Underwater Filter Foam Pad - Fluval Foam
Our Price: $3.99
Retail: $5.99
You Save 33%!

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Fluval U3 Underwater Filter Foam Pad - Fluval Foam
(A487)

This is a Fluval U3 Underwater Filter Foam Pad (A487) for the Fluval U3 Underwater Aquarium Filter System (A475). This Fluval foam pad filter is used as the Stage 1 mechanical filter media in the Fluval U3 Aquarium Filter System.


Special Order. Ships in 12 days.
Fluval U3 Underwater Filter Foam Pad - Fluval Foam
Our Price: $3.99

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Fluval U2 Poly Carbon Underwater Filter Cartridge
(A490)

This is a Fluval U2 Poly Carbon Underwater Filter Cartridge (A490) for the Fluval U2 Underwater Aquarium Filter System (A470). The Fluval poly carbon underwater filter is used as the Stage 2 combination chemical filter as well as secondary mechnical


Special Order. Ships in 8 days.
Fluval U2 Poly Carbon Underwater Filter Cartridge
Our Price: $5.49
Retail: $5.99
You Save 8%!

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Fluval BioMax Media for Fluval U2, U3 & U4 Filters
(A495)

This is a 6 ounce pack of Fluval BioMax Media (A495) for the Fluval U2 Aquarium Filter, Fluval U3 Aquarium Filter System, and Fluval U4 Aquarium Filter System. The Fluval BioMax filter media is used as the Stage 3 biological filter media in all of t


Special Order. Ships in 23 days.
Fluval BioMax Media for Fluval U2, U3 & U4 Filters
Our Price: $5.99

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Hagen A417 - Fluval G3 Fine Pre-Filter Cartridge
(A417)

The Fluval A417 is a pre-filter cartridge for use with the following aquarium filtration system: Fluval G3 system The Hagen A417 - Fluval G3 Fine Pre-Filter Cartridge traps debris for effective mechanical filtration. This Fluval pre-filter all


Special Order. Ships in 5 days.
Hagen A417 - Fluval G3 Fine Pre-Filter Cartridge
Our Price: $26.99
Retail: $30.99
You Save 13%!

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Fluval A421 - G3 Nitrate Filter Cartridge
(A421)

The Fluval A421 is a nitrate adsorbing filter cartridge that is for use in the following aquarium filtation system: Fluval G3 filter The Fluval A421 - G3 Nitrate Filter Cartridge removes up to 13000 mg of nitrate ion in freshwater aquariums. T


Special Order. Ships in 5 days.
Fluval A421 - G3 Nitrate Filter Cartridge
Our Price: $25.99
Retail: $29.99
You Save 13%!

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Fluval A423 - G3 Tri-X Aquarium Filter Cartridge
(A423)

The Fluval A423 is a combination replacement filter for use in the following aquarium filtration system: Fluval G3 filter system The Fluval A423 - G3 Tri-X Aquarium Filter Cartridge removes phosphate, nitrates, and organic waste from aquariums


Special Order. Ships in 5 days.
Fluval A423 - G3 Tri-X Aquarium Filter Cartridge
As Low As: $22.95
Retail: $29.99
You Save 23%!

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Fluval A415 - G3 Pre-Filter Replacement Cartridge
(A415)

The Fluval A415 - G3 Pre-Filter Replacement Cartridge is a replacement pre-filter for the Fluval G3 Filter System. The Fluval Pre-filter is designed for daily use to trap suspended debris for mechanical filtration in fresh or marine applications. Th


Special Order. Ships in 10 days.
Fluval A415 - G3 Pre-Filter Replacement Cartridge
Our Price: $25.99
Retail: $29.99
You Save 13%!

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Fluval A420 - G6 Phosphate Filter Cartridge
(A420)

The Fluval A420 - G6 Phosphate Filter Cartridge is a replacement filter for the Fluval G6 Filter System. The Fluval G6 filter quickly removes up to 3900 milligrams of phosphate ion from marine or freshwater aquariums. The Fluval G6 replacement also


Special Order. Ships in 8 days.
Fluval A420 - G6 Phosphate Filter Cartridge
Our Price: $17.99
Retail: $20.99
You Save 14%!

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Fluval A426 - G6 Chemical Filter Cartridge
(A426)

The Fluval A426 - G6 Chemical Filter Cartridge is compatible for use with Fluval G Advanced Filters. The Fluval G6 filter is a reusable cartridge that keeps the water in your aquarium fresh, clean, and clear. This Aquarium chemical filter features v


Special Order. Ships in 8 days.
Fluval A426 - G6 Chemical Filter Cartridge
Our Price: $19.99
Retail: $22.99
You Save 13%!

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Fluval G6 Advanced Aquarium Water Filter System
(A412)

The Hagen A412 is an aquarium filter system suitable for tanks of the following size: Aquariums up to 160 gallons The Fluval G6 Advanced Aquarium Water Filter System features a combination of mechanical, chemical, and biological filtration to

Free shipping within the continental United States!

Special Order. Ships in 7 days.
Fluval G6 Advanced Aquarium Water Filter System
Our Price: $459.99
Retail: $541.99
You Save 15%!

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Fluval 206 - External Aquarium Water Filter
(A207)

The Fluval 206 - External Aquarium Water Filter is a canister filter that provides multi-stage water filtration for healthy fresh and saltwater aquariums up to 45 gallons in size. The Fluval 206 external filter provides quiet operation through an im

Free shipping within the continental United States!

Special Order. Ships in 8 days.
Fluval 206 - External Aquarium Water Filter
Our Price: $119.99
Retail: $199.99
You Save 40%!

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Filters Fast - Fluval Aquarium Filters

" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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