Internal Filters

Internal filters are affordable filters that are positioned inside your aquarium. These filters provide excellent filtration and are ideal for a variety of aquarium setups including hospital aquariums, turtle setups, and paludariums.

4 Items

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  1. Fluval U1 Underwater Filter
    Fluval U1 Underwater Filter
    List Price: $63.99 Our Price: $45.99 Our Price: $45.99 You Save: $18.00 (28%)
  2. Fluval U2 Underwater Filter
    Fluval U2 Underwater Filter
    List Price: $84.99 Our Price: $59.99 Our Price: $59.99 You Save: $25.00 (29%)
  3. Fluval U3 Underwater Filter
    Fluval U3 Underwater Filter
    List Price: $104.99 Our Price: $73.99 Our Price: $73.99 You Save: $31.00 (30%)
  4. Fluval U4
    Fluval U4 Underwater Filter
    List Price: $149.99 Our Price: $99.99 Our Price: $99.99 You Save: $50.00 (33%)

4 Items

per page
Set Descending Direction