Instructions: Rinse foam monthly or as needed to retain biological activity. Rinse in aged aquarium water. Fluval Foam will deteriorate over time causing a collapse of the pore structure and rapid clogging. Replace foam alternately to maintain biological activity.
Fluval 104/105 Foam Insert 2-pack
Pack Size: Pack of 2 inserts
Compatible Model: For use with Fluval 104/105
Fluval 204/304 Foam Insert 2-pack
Pack Size: Pack of 2 inserts
Compatible Model: For use with Fluval 204/304 & 205/305
Fluval 404 Foam Insert 2-pack
Pack Size: Pack of 2 inserts
Compatible Model: For use with Fluval 404/405
