Fluval Spec/Evo/Flex Aquarium Filter Activated Carbon Replacement, 3-Pack (A1377)

These are activated carbon replacement inserts for the built-in filters of Fluval Spec, Evo and Flex aquariums. Activated carbon helps remove odors and discoloration from aquarium water. Swap in a fresh insert during regular maintenance, as carbon becomes spent over time. The pack contains three inserts.

• Fits: Fluval Spec, Evo and Flex
• Media: activated carbon
• Pack of 3
• Model: A1377