[Pack of 4] - Fluval Underwater Filter Stage 2 Polyester/Carbon Cartridges U2 Filter Cartridge (2 Pack)
Fluval U Series Filter Poly / Carbon Cartridges have two sides for the most effective filtration. The U Series Cartridges is a polyester filter pad which filters out fine debris and contaminants and a carbon side which filters out harmful liquid substances, colorants and odors.
- Stage 2 Poly / Carbon replacement cartridge
- Improves water clarity, traps debris and removes odor from aquarium water
- Dual sided cartridges provide more effective filtration
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