Fluval U3 Underwater Filter Poly/Carbon

Fluval U3 Underwater Filter Poly/Carbon

• Easy to replace
• Custom fit for the Fluvial U3 Filter
• Provides effective chemical filtration
• Works in freshwater, marine or reptile environments

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. The Fluval Poly/Carbon Cartridge works in part with the Fluval Filter Foam Pad to help keep your aquarium healthy and clean.