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    (12) Fluval U3 Underwater Filter Poly/carbon A491 2pks.

    (12) Fluval U3 Underwater Filter Poly/carbon A491 2pks.

    Provides effective chemical filtration Custom fit for the Fluval U3 Filter Traps fine debris, improves water clarity and removes impurities Easy to replace Works in freshwater, marine or reptile environments Fluval Poly/Carbon Cartridges features two... more

    $40.21

    FREE shipping

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    (6) Fluval U3 Underwater Filter Poly/carbon A491 2pks.

    (6) Fluval U3 Underwater Filter Poly/carbon A491 2pks.

    Provides effective chemical filtration Custom fit for the Fluval U3 Filter Traps fine debris, improves water clarity and removes impurities Easy to replace Works in freshwater, marine or reptile environments Fluval Poly/Carbon Cartridges features two... more

    $27.95

    FREE shipping

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    Fluval U3 Fish Turtle Tank Underwater Submersible Filter A475

    Fluval U3 Fish Turtle Tank Underwater Submersible Filter A475

    NEW Fluval U3 Fish Turtle Tank Underwater Submersible Filter A475 This item is brand new and factory sealed!Buy now, we ship fast!ALWAYS FAST SHIPPING!!!I ship daily Monday-Friday US SHIPPING ONLY TO VERIFIED PAYPAL ADDRESSES If there are any concerns... more

    $47.97

    FREE shipping

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    Fluval Bracket Replacement for Fluval U2/U3 Underwater Aquarium Filters

    Fluval Bracket Replacement for Fluval U2/U3 Underwater Aquarium Filters

    This filter bracket is suitable for Fluval U2 and U3 underwater filters. This product weighs 0.136-pound. Measures 9-inch length by 3-inch height by 6-inch width. more

    $11.99

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    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

    $34.96

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    Fluval Foam Cartridge Frame Replacement for Fluval U3 Underwater Aquarium Filter

    Fluval Foam Cartridge Frame Replacement for Fluval U3 Underwater Aquarium Filter

    This foam cartridge frame is suitable for Fluval U3 underwater aquarium filter. This product weighs 0.068-pound. Measures 9-inch length by 1-inch height by 5-inch width. more

    $9.99

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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 Underwater Filter Poly/Carbon Cartridge - A491

    Fluval U3 Underwater Filter Poly/Carbon Cartridge - A491

    Model: A491. With the Fluval Poly/Carbon Filter Cartridges for the Fluval U3 Underwater Aquarium Filter System (A475), you don’t have to worry about your aquarium's water quality. It traps fine debris and removes impurities in freshwater, marine or... more

    $7.78

    FREE shipping

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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 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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    Hagen Fluval Chi Filter Pad 3pk #A-1424

    Hagen Fluval Chi Filter Pad 3pk #A-1424

    Fluval Chi Filter Pads are exclusively designed for Fluval Chi aquarium filters (5 and 6.6 gallon sizes). These pads have two sides that combine to provide thorough and effective mechanical and chemical filtration. It is custom-sized, so it fits... more

    $3.80

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    PetGuys

    (25,000+)
    Hagen Fluval Chi Foam Pad 2pk #A-1425

    Hagen Fluval Chi Foam Pad 2pk #A-1425

    Fluval Chi Foam Pads are exclusively designed for Fluval Chi aquarium filters (5 and 6.6 gallon sizes). These pads capture excess particles and debris while supporting the growth of nitrifying bacteria for a healthy and clean aquarium environment. more

    $1.29

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    PetGuys

    (25,000+)
    Fluval U3 Underwater Filter Foam Pad 6 Pack A-487

    Fluval U3 Underwater Filter Foam Pad 6 Pack A-487

    6 PACK DEAL!Provides effective mechanical filtration Custom fit for the Fluval U3 Filter Easy to replace Works in freshwater, marine or reptile environments FREE! Sellers: Add a FREE map to your listings. FREE! more

    $15.95

    FREE shipping

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    Fluval U3 Underwater Filter Foam Pad 12 Pack A-487

    Fluval U3 Underwater Filter Foam Pad 12 Pack A-487

    12 PACK DEAL!Provides effective mechanical filtration Custom fit for the Fluval U3 Filter Easy to replace Works in freshwater, marine or reptile environments FREE! Sellers: Add a FREE map to your listings. FREE! more

    $20.95

    FREE shipping

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    Fluval U3 Underwater Filter Poly/carbon A491 2pks.

    Fluval U3 Underwater Filter Poly/carbon A491 2pks.

    Provides effective chemical filtration Custom fit for the Fluval U3 Filter Traps fine debris, improves water clarity and removes impurities Easy to replace Works in freshwater, marine or reptile environments Fluval Poly/Carbon Cartridges features two... more

    $6.48

    FREE shipping

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    Fluval Cover Replacement for Fluval U2/U3 Underwater Aquarium Filters

    Fluval Cover Replacement for Fluval U2/U3 Underwater Aquarium Filters

    This cover is suitable for Fluval U2 and U3 underwater filters. This product weighs 0.1-pound. Measures 2-inch length by 5-inch height by 2-inch width. more

    $18.82

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    Fluval Biomax Cartridge Replacement for Fluval U3 Aquarium Filter

    Fluval Biomax Cartridge Replacement for Fluval U3 Aquarium Filter

    This biomax cartridge is suitable for U3 underwater aquarium filter. This product weighs 0.092-pound. Measures 8-inch length by 1-inch height by 2-1/2-inch width. more

    $10.99

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    Fluval Plastic Body Replacement for Fluval U3 Underwater Aquarium Filter

    Fluval Plastic Body Replacement for Fluval U3 Underwater Aquarium Filter

    This body is replacement for the Fluval U3 underwater filter. Made of plastic. This product weighs 0.446-pound. Measures 10-inch length by 3-1/2-inch height by 3-1/2-inch width. more

    $26.41

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