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Fluval U3 Underwater Filter – Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks

Fluval U3 Underwater Filter – Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks

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  • Fluval U3 Underwater Filter Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks
    68.75
    Walmart

    Fluval U3 Underwater Filter Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks

    Delivery date & cost shown at checkout

  • Fluval U3 Underwater Filter, Size: Small
    87.91
    Walmart

    Fluval U3 Underwater Filter, Size: Small

    Delivery date & cost shown at checkout

  • Fluval U3 Underwater Filter - Submersible Aquarium & Fish Tank Filtration Kit - New Pet Supplies
    113.00
    Mercari

    Fluval U3 Underwater Filter - Submersible Aquarium & Fish Tank Filtration Kit - New Pet Supplies

    Delivery date & cost shown at checkout

  • Fluval U3 Underwater Filter - Submersible Aquarium & Fish Tank Filtration Kit - New Pet Supplies | Size: l
    66.00
    Mercari

    Fluval U3 Underwater Filter - Submersible Aquarium & Fish Tank Filtration Kit - New Pet Supplies | Size: l

    Delivery date & cost shown at checkout

  • Fluval U3 Underwater Filter Plus 1 Year Worth Of Refills
    190.00
    eBay

    Fluval U3 Underwater Filter Plus 1 Year Worth Of Refills

    Delivery date & cost shown at checkout

  • Fluval U3 Underwater Filter Submersible Aquarium Filtration Kit Fresh
    45.00
    eBay

    Fluval U3 Underwater Filter Submersible Aquarium Filtration Kit Fresh

    Delivery date & cost shown at checkout

  • Underwater Filter – Designed For Freshwater And Saltwater Aquariums,
    78.66
    eBay

    Underwater Filter – Designed For Freshwater And Saltwater Aquariums,

    Delivery date & cost shown at checkout

  • Fluval Hagen U3 Underwater Aquarium Filter | Pet Supplies Plus
    82.98
    DoorDash

    Fluval Hagen U3 Underwater Aquarium Filter | Pet Supplies Plus

    Delivery date & cost shown at checkout

  • Fluval Aquarium Underwater Filter, 24-40 gal
    55.98
    Chewy.com

    Fluval Aquarium Underwater Filter, 24-40 gal

    Delivery date & cost shown at checkout

  • Fluval Underwater Filter - U3
    65.97
    Pet Life

    Fluval Underwater Filter - U3

    Delivery date & cost shown at checkout

  • Fluval U3 Underwater Filter – Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks
    55.98
    Amazon.com

    Fluval U3 Underwater Filter – Designed for Freshwater and Saltwater Aquariums, Also Ideal for Terrariums and Turtle Tanks

    Delivery date & cost shown at checkout

  • Fluval U3 150l Underwater Filter Clear
    40.99
    Dressinn.com

    Fluval U3 150l Underwater Filter Clear

    Delivery date & cost shown at checkout

  • Fluval U3 Underwater Filter - 2 lb
    94.99
    Instacart

    Fluval U3 Underwater Filter - 2 lb

    Delivery date & cost shown at checkout

  • FLUVAL U3 FILTRO INTERNO (150l) Fluval
    64.01
    Miscota.com

    FLUVAL U3 FILTRO INTERNO (150l) Fluval

    Delivery date & cost shown at checkout

  • Fluval Underwater 3 Filter | PetSmart
    74.99
    PetSmart

    Fluval Underwater 3 Filter | PetSmart

    Delivery date & cost shown at checkout

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Product Details

Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums
Sleek design with easy grip water control panel and redesigned media cartridge to trap more debris
Convenient flip-top lid allows for quick and easy access to filter cartridge for maintenance or replacement
Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature or vertically against aquarium wall to create currents or customized flow patterns
Designed for freshwater, saltwater and reptile environments up to 40 gallons

Best Review

Customers appreciate the water purifier's quiet operation and good filter quality. They find it effective in removing contaminants and providing clear water. However, some have mixed opinions on its functionality, tank cleanliness, durability, size, and water flow.AI-generated from the text of customer reviews

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