Fluval U3 Poly-Carb Cartridge has two unique filtering sides that combine to provide thorough and effective chemical filtration, the crucial second stage in the filtration process.

Features:

• 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
• 2 x poly/carbon cartridges included

Spare media for the Fluval U3 Filter

Pack of 2