• The Filter Foam Set for the FiltoSmart 300 includes three replacement filter foams
• Meet the needs of your aquarium with the combination of coarse, fine, and ultra fine mechanical filtration
• Timing to replace the filter foam set varies upon aquarium size and the number of fish and plants

The Filter Foam Set for the FiltoSmart 300 includes three replacement filter foams. The combination of coarse, fine, and ultra fine mechanical filtration allows you to meet the filtration needs of your aquarium. Timing to replace the filter foam set varies upon aquarium size, number of fish and plants, and declines in filter performance.