Fluval U4 Poly/Carbon Cartridge Filter Media, 12 Pack

Fluval U4 Poly/Carbon Cartridge Filter Media, 12 Pack

• Chemical filter media
• Polyester side filters out fine debris and contaminants
• Carbon side filters out harmful liquid substances, colorants and odors
• Suitable for freshwater, saltwater or reptile environments
• Convenient 2-pack format

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