The Hagen A1349 is an aquarium algae cleaner that clears the following from your aquarium:
The Fluval Edge Aquarium Algae Cleaner - 0.09 oz is suitable for fresh and saltwater tanks. This Fluval Edge cleaner helps reduce odors from the water in your aquarium. This Fluval Edge algae cleaner makes tank maintenance easier.
The Hagen A1349 specifications: