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    Fluval U3 Underwater Filter Foam Pad (2 Pack)

    Fluval U3 Underwater Filter Foam Pad (2 Pack)

    $1.53

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    Fluval U3 Underwater Filter Poly/Carbon

    Fluval U3 Underwater Filter Poly/Carbon

    Fluval U3 Underwater Filter Poly/Carbon Fluval Poly/Carbon Cartridges feature two sides for effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The... more

    $6.79

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    Wag.com

    (1,000+)
    Hagen Fluval Fluval Underwater Filter U-Series: U3 - 155 GPH - 7.5 Watts - (24 - 40 Gallons) #A475

    Hagen Fluval Fluval Underwater Filter U-Series: U3 - 155 GPH - 7.5 Watts - (24 - 40 Gallons) #A475

    Hagen Fluval Fluval Underwater Filter U-Series: U3 - 155 GPH - 7.5 Watts - (24 - 40 Gallons) #A475 Fluval Underwater Filters are powerful 3-stage filtration systems perfect for aquariums and reptile environments. Easy flip top for fast maintenance 3... more

    $54.99

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    Fluval U3 Poly Carbon Underwater Filter Cartridge (2 Pack)

    Fluval U3 Poly Carbon Underwater Filter Cartridge (2 Pack)

    $3.19

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    Fluval U3 Filter Body 5-602265

    Fluval U3 Filter Body 5-602265

    Fluval filter body for Fluval U3 Underwater Filter, 1 piece more

    $25.60

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    Fluval U3 Foam Cartridge Frame 5-600265

    Fluval U3 Foam Cartridge Frame 5-600265

    Foam Cartridge frame is suitable for Fluval ''U3'' Underwater Filter (A475) more

    $9.95

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    Fluval U3/3 Plus Magnetic Impeller 5-600006

    Fluval U3/3 Plus Magnetic Impeller 5-600006

    Fluval Magnetic Impeller is suitable for: -Fluval 3 Plus Underwater Filter (A170) -Fluval ''U3'' Underwater Filter (A475) more

    $17.05

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U3 Underwater Filter Cartridge

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U3 Underwater Filter Cartridge

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U3 Underwater Filter Cartridge - 2 Pack #A491 Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration.  The U Series Cartridges is a... more

    $4.38

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    Fluval Underwater Filter

    Fluval Underwater Filter

    Fluval U3 Underwater Filter The Fluval U3 Underwater Filter provides 3 stage filtration: Stage 1 foam removes large particles. Stage 2 poly/carbon cartridge traps fine debris, improves water clarity and removes impurities. Stage 3 Biomax provides... more

    $64.99

    FREE shipping

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    Wag.com

    (1,000+)
    Fluval Motor Replacement for Fluval U3 Underwater Aquarium Filter

    Fluval Motor Replacement for Fluval U3 Underwater Aquarium Filter

    Fluval Motor Replacement for Fluval U3 Underwater Aquarium Filter This motor is suitable for U3 underwater aquarium filter. This product weighs 0.67-pound. Measures 9-inch length by 3-1/2-inch height by 7-inch width. more

    $25.29

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    Wag.com

    (1,000+)
    Fluval U3 Underwater Aquarium Filter System

    Fluval U3 Underwater Aquarium Filter System

    $49.99

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    Fluval U2 Underwater Filter Poly/Carbon Multicolor - A491, Fits Fluval U3 Filter

    Fluval U2 Underwater Filter Poly/Carbon Multicolor - A491, Fits Fluval U3 Filter

    Shop for Pump Replacement Parts from Hayneedle.com! Two sides combined! The Fluval U2 Underwater Filter Poly/Carbon provides excellent chemical filtration for fresh, marine, or reptile environments. While the polyester pad filters our fine debris and... more

    $11.99

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    Fluval U1 Underwater Filter Foam Pad Multicolor - A487, Fits Fluval U3 Filter

    Fluval U1 Underwater Filter Foam Pad Multicolor - A487, Fits Fluval U3 Filter

    Shop for Media from Hayneedle.com! Catching large particles and debris, the Fluval U1 Underwater Filter Foam Pad provides excellent mechanical filtration to keep your aquatic buddies healthy and happy. The pore size of this foam pad allows for great... more

    $9.99

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    Fluval Underwater Filter Multicolor - A475, U3 - Use in 20 - 40 Gallons

    Fluval Underwater Filter Multicolor - A475, U3 - Use in 20 - 40 Gallons

    Shop for Filters from Hayneedle.com! The Fluval Underwater Filter provides exceptional, three-stage filtration for unmatched water quality. It has a three-way water flow option for excellent oxygenation. The flip-top lid allows for easy replacement of... more

    $88.99

    FREE shipping

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    Fluval U4 Underwater Filter Poly/Carbon Cartridge

    Fluval U4 Underwater Filter Poly/Carbon Cartridge

    Two sides equals twice the efficiency. The Fluval U4 Underwater Filter Poly/Carbon Cartridge features a chemical filtration, the crucial second stage in the filtration process. The polyester side of the Fluval U4 Underwater Filter Poly/Carbon Cartridge... more

    $7.99 $5.74

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    Pet360.com

    (5,000+)
    Fluval U4 Underwater Filter

    Fluval U4 Underwater Filter

    Free Shipping on Orders Over $49!

    Fluval Underwater FilterFluval Underwater Filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Stage 1 foam pad removes large particles. Stage 2 poly/carbon cartridge traps fine debris, improves water clarity... more

    $69.99

    FREE shipping

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    petco.com

    (200,000+)
    Fluval U3 Filter Poly/Carbon Catridge (2 pack)

    Fluval U3 Filter Poly/Carbon Catridge (2 pack)

    Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The Carbon side filters out harmful liquid... more

    $6.49 $4.99

    FREE shipping

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    Fluval WFLUVALU3 U3 Underwater Aquarium Filter System

    Fluval WFLUVALU3 U3 Underwater Aquarium Filter System

    $69.75

    FREE shipping

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    Fluval FX6 Canister Filter

    Fluval FX6 Canister Filter

    Free Shipping on Orders Over $49!

    Fluval FX6 Canister Filter -- Power Aquarium FilterMost aquarium owners would prefer to spend their time watching the colorful fish, plants and other underwater creatures in their aquarium rather than changing the wateragain! The Fluval FX6 Canister... more

    $369.99

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    petco.com

    (200,000+)
    FLUVAL U3 Poly/Carbon Cartridge Filter Media

    FLUVAL U3 Poly/Carbon Cartridge Filter Media

    Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The Carbon side filters out harmful liquid... more

    $4.99 $3.46

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    FLUVAL U3 Poly/Carbon Cartridge Filter Media x 12pk

    FLUVAL U3 Poly/Carbon Cartridge Filter Media x 12pk

    Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The Carbon side filters out harmful liquid... more

    $57.99 $40.22

    FREE shipping

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    Fluval WFLUVALU1 U1 Underwater Aquarium Filter System

    Fluval WFLUVALU1 U1 Underwater Aquarium Filter System

    $47.65

    FREE shipping

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    Fluval WFLUVALA486 U2 Underwater Filter Foam Pad

    Fluval WFLUVALA486 U2 Underwater Filter Foam Pad

    $12.39

    FREE shipping

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    Fluval 2 "Plus" Water Polishing Pad (4 pack)

    Fluval 2 "Plus" Water Polishing Pad (4 pack)

    The Fluval 2 Plus Polyester Filter Pad has been specially developed as a fine filter medium for the Fluval 2 Plus Underwater Filter and is ideally suited to filtering out extremly fine suspended particles and contaminants. more

    $8.44 $4.59

    FREE shipping

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    Fluval 1 "Plus" Foam Insert (2Pack)

    Fluval 1 "Plus" Foam Insert (2Pack)

    Fluval 1 "Plus" Foam Insert (2Pack) is specially developed as a standard filter medium for the Fluval 1 Plus Underwater Filter and maximizes surface contact between the water and the media. The large filtering surface ensures efficient cleaning of the... more

    $4.79

    FREE shipping

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    Fluval "U" Internal Aquarium Filters Fluval U3

    Fluval "U" Internal Aquarium Filters Fluval U3

    The Fluval "U" Internal Filters are ideal for use as a permanent filter system, for supplemental filtration, or as a "quick-filter" to polish water. The U1 offers single stage filtration, while the U2/U3/U4 each offer three stage filtration to ensure... more

    $54.99

    FREE shipping

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    PetSolutions

    (25,000+)
    Fluval U Internal Filter Replacement Media U2/U3/U4 Bio Max

    Fluval U Internal Filter Replacement Media U2/U3/U4 Bio Max

    Foam pads trap large particles, the Poly/Carbon pads filter out fine debris and provide chemical filtration , and the BioMax bio rings create an optimal environment where beneficial bacteria can thrive. more

    $4.99

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    PetSolutions

    (25,000+)

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