Replacement Filter Pads fits SUNSUN/AQUATOP HW-304B CF500 HW704B Aquarium Filters 16pc (12 Fine + 4 Coarse)
- Provides both mechanical and biological filtration / For both freshwater and saltwater aquariums.
- Removes the smallest dirt particles, while keeping perfect water flow..
- Perfect fit for SUNSUN/AQUATOP/Polar Aurora 525GPH HW-304B HW404B CF500 Filters.
- Includes 12 Fine White pads and 4 Blue Coarse pads.
- Filter pad size : 8.5" (L) x 8.5" (W) x 0.75" (H).