Hagen 12-Pack Fluval U4 Poly/Carbon Cartridge Aquarium Water

Hagen 12-Pack Fluval U4 Poly/Carbon Cartridge Aquarium Water Filter
- Convenient 24 pack; (12) 2 pack
- Custom fit for the Fluval U4 Filter
- Traps fine debris, improves water clarity and removes impurities
Fluval Poly/Carbon Cartridges features two sides for effective chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The Carbon side filters out harmful liquid substances, colorants and odors. For freshwater, marine or reptile environments. For U series filter model: U4.

Hagen 12-Pack Fluval U4 Poly/Carbon Cartridge Aquarium Water Filter