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    Fluval U3 Underwater Filter - Up to 40 gal.

    Fluval U3 Underwater Filter - Up to 40 gal.

    Bring powerful 3-stage filtration and circulation to hard-to-filter places like aquariums; terrariums and turtle tanks with the Fluval U Series Underwater Filter. This completely submersible filter features a unique 3-way flow control spray bar that... more

    $49.99

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    Fluval U3 Poly & Carbon Cartridge

    Fluval U3 Poly & Carbon Cartridge

    Replacement Poly and Carbon Filter Cartridge for Fluval U3 Underwater Filter. more

    $5.99

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    Fluval U3 Foam Pad

    Fluval U3 Foam Pad

    Fluval Filter Foam Pads provide mechanical filtration by removing waste and debris from your aquarium water. Designed to fit the Fluval U3 Underwater Filter . For more information on mechanical filtration; please read our article on Aquarium Filter... more

    $3.69

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    Fluval Underwater Filter Foam Pad U3 BULK - 12 Pads - (6 x 2 Pack)

    Fluval Underwater Filter Foam Pad U3 BULK - 12 Pads - (6 x 2 Pack)

    Captures large suspended particles and debris Replacement Stage 1 foam filtration pad Compatible with Fluval U-series filters more

    $21.27

    FREE shipping

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    Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U3 BULK - 12 Cartridges - (6 x 2 Pack)

    Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U3 BULK - 12 Cartridges - (6 x 2 Pack)

    Captures fine suspended particles and debris Replacement Stage 2 foam filtration pad Gets water clear, removes floating debris and eliminates odors Compatible with Fluval U-series filters more

    $38.24

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    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media BULK - 36 Ounce - (6 x 6 Ounce)

    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media BULK - 36 Ounce - (6 x 6 Ounce)

    Fluval's BioMax replacement for "U" Series underwater filters for U2, U3, and U4 filters. Provides optimum biological balance For Fluval Underwater Filters - U2, U3 and U4 Series Bio-Max Replacement 6 oz - Rinse before using more

    $38.24

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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 polyester... more

    $4.38

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    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

    $57.87

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U3 BULK - 12 Cartridges - (6 x

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U3 BULK - 12 Cartridges - (6 x

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U3 BULK - 12 Cartridges - (6 x 2 Pack) #0491M Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester... more

    $25.00

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    Fluval BioMax Underwater Filter Stage 3 Media 6 oz

    Fluval BioMax Underwater Filter Stage 3 Media 6 oz

    Bio filtration media Allows optimal biological balance For Fluval Underwater U2, U3 and U4 Series Filters more

    $11.94

    FREE shipping

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    Fluval Underwater Filter Foam Pad

    Fluval Underwater Filter Foam Pad

    Fluval Underwater Filter Foam Pads are filter media that will trap large particles and debris. Available pads: U1 foam pad, U2 foam pad, U3 foam pad and U4 foam pad. Fluval Underwater Filter replacement Foam Pad Removes large particles from aquarium... more

    $12.69

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    Fluval Underwater Filter Foam Pad

    Fluval Underwater Filter Foam Pad

    Fluval Underwater Filter Foam Pads are filter media that will trap large particles and debris. Available pads: U1 foam pad, U2 foam pad, U3 foam pad and U4 foam pad. Fluval Underwater Filter replacement Foam Pad Removes large particles from aquarium... more

    $8.91

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U4 Underwater Filter Cartridge - 2 Pack

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U4 Underwater Filter Cartridge - 2 Pack

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U4 Underwater Filter Cartridge - 2 Pack more

    $12.87

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    Filter Bracket For Fluval U2/U3

    Filter Bracket For Fluval U2/U3

    Filter Bracket For Fluval U2/U3 more

    $12.02

    FREE shipping

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U4 BULK - 12 Cartridges - (6 x 2 Pack)

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U4 BULK - 12 Cartridges - (6 x 2 Pack)

    Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester filter pad which filters out fine debris and contaminants and a carbon side which filters out harmful liquid... more

    $43.33

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    Filter Body For Fluval U3

    Filter Body For Fluval U3

    Filter Body For Fluval U3 more

    $25.75

    FREE shipping

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    Fluval Underwater Filter Foam Pad U4 BULK - 12 Pads - (6 x 2 Pack)

    Fluval Underwater Filter Foam Pad U4 BULK - 12 Pads - (6 x 2 Pack)

    Captures large suspended particles and debris Replacement Stage 1 foam filtration pad Compatible with Fluval U-series filters more

    $29.46

    FREE shipping

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    Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U2 BULK - 12 Cartridges - (6 x 2 Pack)

    Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges U2 BULK - 12 Cartridges - (6 x 2 Pack)

    Captures fine suspended particles and debris Replacement Stage 2 foam filtration pad Gets water clear, removes floating debris and eliminates odors Compatible with Fluval U-series filters more

    $31.72

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    Fluval U4 Underwater Filter

    Fluval U4 Underwater Filter

    Fluval U4 Underwater Filter, by Fluval SEA more

    $78.98

    FREE shipping

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    Fluval 1 "Plus" Foam Insert, 2-Pack

    Fluval 1 "Plus" Foam Insert, 2-Pack

    Fluval 1 "Plus" Foam Insert (2-Pack) 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. more

    $3.97

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    Fluval Underwater Filter Bio-Max

    Fluval Underwater Filter Bio-Max

    Replacement BioMax tubular ceramic Biological Filter Media for Fluval U series Underwater Filters. Porous tubular ceramic media has extremely high surface area for beneficial bacterial growth. more

    $5.89

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    Fluval U4 Underwater Filter - Up to 65 gal.

    Fluval U4 Underwater Filter - Up to 65 gal.

    Bring powerful 3-stage filtration and circulation to hard-to-filter places like aquariums; terrariums and turtle tanks with the Fluval U Series Underwater Filter. This completely submersible filter features a unique 3-way flow control spray bar that... more

    $69.99

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    Fluval U4 Poly & Carbon Cartridge

    Fluval U4 Poly & Carbon Cartridge

    Replacement Poly and Carbon Filter Cartridge for Fluval U4 Underwater Filter. more

    $7.99

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    Fluval U2 Poly & Carbon Cartridge

    Fluval U2 Poly & Carbon Cartridge

    Replacement Poly and Carbon Filter Cartridge for Fluval U2 Underwater Filter. more

    $4.99

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    Foam Insert for Fluval 3 Plus - 4 pk.

    Foam Insert for Fluval 3 Plus - 4 pk.

    The Fluval Plus Foam insert has been specially developed as a standard filter medium for the Fluval 3 Plus Underwater Filter and maximizes surface contact between the water and the media. These large filtering surfaces ensure efficient cleaning of the... more

    $8.49

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    Poly Pads for Fluval 4 Plus - 4 pk.

    Poly Pads for Fluval 4 Plus - 4 pk.

    Fluval 4 Plus Polyester Filter Pads have been specially developed as a fine filter medium for the Fluval 4 Plus Underwater Filter and is ideally suited to filtering out extremely fine suspended particles and contaminants. more

    $7.99

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    Fluval U4 Foam Pad

    Fluval U4 Foam Pad

    Fluval Filter Foam Pads provide mechanical filtration by removing waste and debris from your aquarium water. Designed to fit the Fluval U4 Underwater Filter . For more information on mechanical filtration; please read our article on Aquarium Filter... more

    $4.99

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    Poly Pads for Fluval 3 Plus - 4 pk.

    Poly Pads for Fluval 3 Plus - 4 pk.

    Fluval 3 Plus Polyester Filter Pads have been specially developed as a fine filter medium for the Fluval 3 Plus Underwater Filter and is ideally suited to filtering out extremely fine suspended particles and contaminants. more

    $7.99

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    Foam Insert for Fluval 2 Plus - 4 pk.

    Foam Insert for Fluval 2 Plus - 4 pk.

    The Fluval Plus Foam insert has been specially developed as a standard filter medium for the Fluval 2 Plus Underwater Filter and maximizes surface contact between the water and the media. These large filtering surfaces ensure efficient cleaning of the... more

    $8.99

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    Foam Insert for Fluval 4 Plus - 4 pk.

    Foam Insert for Fluval 4 Plus - 4 pk.

    The Fluval Plus Foam insert has been specially developed as a standard filter medium for the Fluval 4 Plus Underwater Filter and maximizes surface contact between the water and the media. These large filtering surfaces ensure efficient cleaning of the... more

    $9.49

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    Fluval U1 Foam Pad

    Fluval U1 Foam Pad

    Fluval Filter Foam Pads provide mechanical filtration by removing waste and debris from your aquarium water. Designed to fit the Fluval U1 Underwater Filter. For more information on mechanical filtration; please read our article on Aquarium Filter... more

    $2.79

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    Fluval U2 Foam Pad

    Fluval U2 Foam Pad

    Fluval Filter Foam Pads provide mechanical filtration by removing waste and debris from your aquarium water. Designed to fit the Fluval U2 Underwater Filter. For more information on mechanical filtration; please read our article on Aquarium Filter... more

    $2.99

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U2 Underwater Filter Cartridge

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U2 Underwater Filter Cartridge

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U2 Underwater Filter Cartridge - 2 Pack #A490 Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester... more

    $3.68

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U4 Underwater Filter Cartridge

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U4 Underwater Filter Cartridge

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U4 Underwater Filter Cartridge - 2 Pack #A492 Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester... more

    $5.20

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    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media: 6 oz #A495 - Aquarium Filter Bio Media

    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media: 6 oz #A495 - Aquarium Filter Bio Media

    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media: 6 oz #A495 Fluval's BioMax replacement for U Series underwater filters for U2, U3, and U4 filters. Provides optimum biological balance For Fluval Underwater Filters - U2, U3 and U4 Series... more

    $4.38

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    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media: BULK - 36 oz - (6 x 6 oz) #0495M - Aquar

    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media: BULK - 36 oz - (6 x 6 oz) #0495M - Aquar

    Hagen Fluval Fluval BioMax Underwater Filter Stage 3 Media: BULK - 36 oz - (6 x 6 oz) #0495M Fluval's BioMax replacement for U Series underwater filters for U2, U3, and U4 filters. Provides optimum biological balance For Fluval Underwater Filters - U2,... more

    $25.00

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    Hagen Fluval Fluval Underwater Filter U-Series: U1 - 65 GPH - 5 Watts - (Up to 15 Gallons) #A465 -

    Hagen Fluval Fluval Underwater Filter U-Series: U1 - 65 GPH - 5 Watts - (Up to 15 Gallons) #A465 -

    Hagen Fluval Fluval Underwater Filter U-Series: U1 - 65 GPH - 5 Watts - (Up to 15 Gallons) #A465 Fluval Underwater Filters are powerful 3-stage filtration systems perfect for aquariums and reptile environments. Easy flip top for fast maintenance 3... more

    $34.99

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U2 BULK - 12 Cartridges - (6 x

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U2 BULK - 12 Cartridges - (6 x

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U2 BULK - 12 Cartridges - (6 x 2 Pack) #0490M Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester... more

    $21.00

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    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U4 BULK - 12 Cartridges - (6 x

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U4 BULK - 12 Cartridges - (6 x

    Hagen Fluval Fluval Underwater Filter Stage 2 Poly/Carbon Cartridges: U4 BULK - 12 Cartridges - (6 x 2 Pack) #0492M Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester... more

    $29.50

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    More information about Fish Supplies

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