Internal Filters

16 Item(s)

  • Magnum Internal Polishing Filter
    • Foam Filter Sleeve, water polishing & 3-stage filtration
    • This includes the built-in Magnum Micron Cartridge
    • Includes one Marineland Rite-Size JH Floss Sleeve
    • Black Diamond Premium Activated Carbon included
    • This filter provides the option of modifying your media

    Regular Price: USD 49.99

    Sale Price USD 39.99

    Regular Price: USD 49.99

    Sale Price USD 39.99

  • Tom Aquatics Dive Clean Mini Internal Filter
    Powerful mini submersible filter that is ideal for Nano tanks and other small aquariums, as well as for use in reptile tanks. Energy saving compact motor runs on a low 12 Volt power supply for safe operation in water. For freshwater or marine use.

    Regular Price: USD 15.99

    Sale Price USD 13.99

    Regular Price: USD 15.99

    Sale Price USD 13.99

  • Economy Corner Filter
    Ideal for small aquariums and aquarium kits. Lee's low-cost, high-quality Economy Corner filter keeps tanks sparkling clean without the use of an airstone.
    USD 2.49
    USD 2.49
  • Tetra Whisper In-tank Filter - 3i
    The Whisper In-tank 3i filter mounts on the inside of the aquarium, making it possible to place your tank flush against a wall. It uses air bubbles to move water up the airlift tube and through the filter cartridge making it ideal for keeping small fish.

    Regular Price: USD 12.99

    Sale Price USD 9.99

    Regular Price: USD 12.99

    Sale Price USD 9.99

  • Fluval Underwater Filter - U4
    The new Fluval underwater filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Offers a Flip-Top for quick and easy maintenance and an adjustable 3 way flow for output flexibility.
    USD 69.99
    USD 69.99
  • Tetra Whisper Internal Power Filter - 10i
    Whisper In-Tank Filters mount on the inside of your aquarium, making it possible to place the tank flush against the wall. The In-Tank Filter will function in as little as 2 inches of water, making it ideal for turtle tanks, or for creating a waterfall.

    Regular Price: USD 11.99

    Sale Price USD 9.99

    Regular Price: USD 11.99

    Sale Price USD 9.99

  • Fluval Underwater Filter - U3
    The new Fluval underwater filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Offers a Flip-Top for quick and easy maintenance and an adjustable 3 way flow for output flexibility.
    USD 49.99
    USD 49.99
  • Tetra Whisper Internal Power Filter - 20i
    Whisper In-Tank Filters mount on the inside of your aquarium, making it possible to place the tank flush against the wall. The In-Tank Filter will function in as little as 2 inches of water, making it ideal for turtle tanks, or for creating a waterfall.

    Regular Price: USD 17.99

    Sale Price USD 15.99

    Regular Price: USD 17.99

    Sale Price USD 15.99

  • Fluval Underwater Filter - U1
    The new Fluval underwater filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Offers a Flip-Top for quick and easy maintenance and an adjustable 3 way flow for output flexibility.
    USD 29.99
    USD 29.99
  • Fluval Underwater Filter - U2
    The new Fluval underwater filter with three stage filtration is ideal for use in fresh, marine or reptile environments. Offers a Flip-Top for quick and easy maintenance and an adjustable 3 way flow for output flexibility.
    USD 39.99
    USD 39.99
  • Tetra Whisper Internal Power Filter - 40i
    Whisper In-Tank Filters mount on the inside of your aquarium, making it possible to place the tank flush against the wall. The In-Tank Filter will function in as little as 2 inches of water, making it ideal for turtle tanks, or for creating a waterfall.

    Regular Price: USD 25.99

    Sale Price USD 19.99

    Regular Price: USD 25.99

    Sale Price USD 19.99

  • Penn Plax Cascade 170 Internal Filter
    These slim, easy to maintain internal filters provide great Physical, Chemical and Biological filtration for any Marine or Tropical aquarium. Comes with a directional flow spout, completely submersible motor with aeration control and an air filter.

    Regular Price: USD 7.99

    Sale Price USD 6.99

    Regular Price: USD 7.99

    Sale Price USD 6.99

    Out of stock

  • QuietFlow Internal Filter - AT10
    • Delivers highly effective 3-stage filtration
    • Ideal for aquariums and terrariums up to 10 gallons
    • Directional return pipe allows horizontal or vertical mounting
    • Easy-to-use flow rate adjuster enables precise output control
    • Includes a limited lifetime manufacturer's warranty!

    Regular Price: USD 19.99

    Sale Price USD 15.99

    Regular Price: USD 19.99

    Sale Price USD 15.99

  • QuietFlow Internal Filter - AT15
    • Delivers highly effective 3-stage filtration
    • Ideal for aquariums and terrariums up to 15 gallons
    • Directional return pipe allows horizontal or vertical mounting
    • Easy-to-use flow rate adjuster enables precise output control
    • Includes a limited lifetime manufacturer's warranty!
    USD 24.99
    USD 24.99
  • QuietFlow Internal Filter - AT30
    • Delivers highly effective 3-stage filtration
    • Ideal for aquariums and terrariums up to 30 gallons
    • Directional return pipe allows horizontal or vertical mounting
    • Easy-to-use flow rate adjuster enables precise output control
    • Includes a limited lifetime manufacturer's warranty!
    USD 29.99
    USD 29.99
  • QuietFlow Internal Filter - AT40
    • Delivers highly effective 3-stage filtration
    • Ideal for aquariums and terrariums up to 40 gallons
    • Directional return pipe allows horizontal or vertical mounting
    • Easy-to-use flow rate adjuster enables precise output control
    • Includes a limited lifetime manufacturer's warranty!
    USD 32.99
    USD 32.99