Fluval U4 Carbon Cartridge has two unique filtering sides that combine to provide thorough and 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, colourants and odours.

• Suitable for freshwater, saltwater or reptile environments
• Convenient 2-pack format
• 2 x poly/carbon cartridges included

Designed for the Fluval U4 Underwater Filter

Pack of 2