Protecting your smaller aquatic life is essential to seeing them grow into full size adults. But when filters pose a huge risk to their safety, you may be putting them at risk. Make sure you protect your smaller aquatic life without sacrificing the cleanliness of your aquarium with the Hagen Fluval Edge Mini Impeller. Connecting directly to filter intake, the Hagen Fluval Edge Mini Impeller traps fine debris before water is drawn into the filter. This prevents small or baby inhabitants from being drawn into the filter, avoiding certain death.