- Replacement filter pads for the Aquatop Hang-On Back Aquarium Power Filter with UV Sterilizer.
- Double filtering effectiveness with outer layer for large particles and inner layer for small ones.
- Filled with high-quality charcoal proven to filter more small particles to help keep your tank water healthy.
- Easy to use by just swapping old cartridges with the new ones and filling aquarium with water.
- Safe to use for freshwater or marine aquariums, and for fish, plants and invertebrates.
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