Internal Filters

31 Item(s)

  • 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.

    Regular Price: USD 32.99

    Sale Price USD 24.99

    Regular Price: USD 32.99

    Sale Price USD 24.99

  • Aqueon QuietFlow E Internal Power Filter - 3 gal
    • Simple functionality for beginners and professionals
    • Easily attaches against the aquarium with suction cups
    • Use the hang-on feature, securing it with hang-on clips
    • Suitable with the X-Small Replacement Filter Cartridge
    • This 3 gal model will only provide chemical filtration
    USD 10.49
    USD 10.49
  • Aqueon QuietFlow E Internal Power Filter - 20 gal
    • Simple functionality for beginners and professionals
    • Easily attaches against the aquarium with suction cups
    • Use the hang-on feature, securing it with hang-on clips
    • Suitable with the Medium Replacement Filter Cartridge
    • Provides chemical, biological & mechanical filtration
    USD 20.99
    USD 20.99
  • Aqueon QuietFlow E Internal Power Filter - 10 gal
    • Simple functionality for beginners and professionals
    • Easily attaches against the aquarium with suction cups
    • Use the hang-on feature, securing it with hang-on clips
    • Suitable with the Small Replacement Filter Cartridge
    • Provides chemical, biological & mechanical filtration
    USD 12.99
    USD 12.99
  • Lee's Triple-Flow Corner Filter - Small
    • Maximum efficiency for up to 45 gallon aquariums
    • This excellent model is made with three intake vents
    • Ideally used for beginners, breeder/ isolation tanks
    • Perfect solution for a fundamental or back-up filter
    • Use for biological, chemical or mechanical filtration

    Regular Price: USD 6.99

    Sale Price USD 3.49

    Regular Price: USD 6.99

    Sale Price USD 3.49

  • Lee's Triple-Flow Corner Filter - Large
    • Maximum efficiency for up to 100 gallon aquariums
    • This excellent model is made with three intake vents
    • Ideally used for beginners, breeder/ isolation tanks
    • Perfect solution for a fundamental or back-up filter
    • Use for biological, chemical or mechanical filtration

    Regular Price: USD 9.99

    Sale Price USD 5.49

    Regular Price: USD 9.99

    Sale Price USD 5.49

  • Lee's Discard-a-Filter - 2 pk
    • Consists of carbon, zeolite and sponge filtration
    • Suitable for small aquariums or Kritter Keepers
    • This will keep water clean, clear and odor-free
    • Discard after use; approximately every month
    • Includes suction cup mounts for simple set-up

    Regular Price: USD 9.99

    Sale Price USD 6.49

    Regular Price: USD 9.99

    Sale Price USD 6.49

  • Lee's Triple-Flow Corner Filters
    Triple-Flow Corner Filters may be used for biological, chemical or mechanical filtration, with three intake vents. It features maximum efficiency for ideally breeder or isolation tanks, or used as a fundamental or back-up filter.

    Price From: USD 3.49

    Price From: USD 3.49

  • Lee's Triple Flow Corner Filter - Medium
    Filters Internal Filters. Lee's Corner Box Filter

    Regular Price: USD 6.99

    Sale Price USD 4.99

    Regular Price: USD 6.99

    Sale Price USD 4.99

  • Lee's Discard-a-Filter
    Lee's Discard A Filter is a disposable easy to use filter, that is ideal for keeping the water in smaller aquariums crystal clear. Zeolite, activated carbon, and a sponge provides chemical and mechanical filtration using air from your air pump.

    Regular Price: USD 5.99

    Sale Price USD 3.49

    Regular Price: USD 5.99

    Sale Price USD 3.49

  • Eheim aquaCorner 60 Corner Internal Filter
    • A powerful corner filter for small and nano aquariums
    • Gentle suction protects your fish and other creatures
    • Minimalist design takes up very little aquarium space
    • Easily opened to perform quick and simple maintenance
    • Installs on aquariums with up to 5 mm glass thickness

    Regular Price: USD 39.99

    Sale Price USD 29.99

    Regular Price: USD 39.99

    Sale Price USD 29.99

  • Cobalt Aquatics Clearvue Mini Internal Filter - 45
    Description Coming Soon!
    USD 40.33
    USD 40.33
  • Cobalt Aquatics Clearvue Mini Internal Filter - 30
    Description Coming Soon!
    USD 34.15
    USD 34.15
  • Cobalt Aquatics Clearvue Mini Internal Filter - 20
    Description Coming Soon!
    USD 27.98
    USD 27.98
  • Cobalt Aquatics Clearvue Mini Internal Filters
    Description Coming Soon!

    Price From: USD 27.98

    Price From: USD 27.98

  • Aqueon QuietFlow Internal Shrimp Filter - 20
    Description Coming Soon!

    Regular Price: USD 24.99

    Sale Price USD 16.99

    Regular Price: USD 24.99

    Sale Price USD 16.99

  • Aqueon QuietFlow E Internal Power Filter - 40 gal
    • Simple functionality for beginners and professionals
    • Easily attaches against the aquarium with suction cups
    • Use the hang-on feature, securing it with hang-on clips
    • Suitable with the Large Replacement Filter Cartridge
    • Provides chemical, biological & mechanical filtration
    USD 25.99
    USD 25.99
  • 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.

    Regular Price: USD 44.99

    Sale Price USD 33.99

    Regular Price: USD 44.99

    Sale Price USD 33.99

  • 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.

    Regular Price: USD 56.99

    Sale Price USD 42.28

    Regular Price: USD 56.99

    Sale Price USD 42.28

  • 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.

    Regular Price: USD 74.99

    Sale Price USD 59.99

    Regular Price: USD 74.99

    Sale Price USD 59.99

  • Lee's 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.

    Regular Price: USD 3.99

    Sale Price USD 2.40

    Regular Price: USD 3.99

    Sale Price USD 2.40

  • 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 13.99

    Sale Price USD 7.99

    Regular Price: USD 13.99

    Sale Price USD 7.99

  • 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 19.99

    Sale Price USD 13.99

    Regular Price: USD 19.99

    Sale Price USD 13.99

  • 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 24.99

    Sale Price USD 15.99

    Regular Price: USD 24.99

    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!

    Regular Price: USD 27.99

    Sale Price USD 21.99

    Regular Price: USD 27.99

    Sale Price USD 21.99

  • 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!

    Regular Price: USD 39.99

    Sale Price USD 27.43

    Regular Price: USD 39.99

    Sale Price USD 27.43

  • 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!

    Regular Price: USD 39.99

    Sale Price USD 27.91

    Regular Price: USD 39.99

    Sale Price USD 27.91

  • API SuperClean 10 Internal Power Filter
    • Compact internal power filter for aquariums up to 10 gallons
    • Includes Crystal Bio-Chem Zorb cartridge for superior filtration
    • Quickly eliminates unwanted debris, discoloration, and odors
    • Brilliant design enables effortless installation and maintenance
    • Suitable for use in both freshwater and saltwater aquariums

    Regular Price: USD 13.19

    Sale Price USD 9.99

    Regular Price: USD 13.19

    Sale Price USD 9.99

  • Fluval Underwater Filters
    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.

    Price From: USD 24.99

    Price From: USD 24.99

  • Aqueon QuietFlow Internal Filters
    • 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!

    Price From: USD 15.99

    Price From: USD 15.99

  • Aqueon QuietFlow Internal Shrimp Filter - 10
    Description Coming Soon!

    Regular Price: USD 16.99

    Sale Price USD 12.99

    Regular Price: USD 16.99

    Sale Price USD 12.99