Mechanical filtration: Provides excellent filtering effect while oxygenating the water Biological Filtration: Foam material supports the colonization of bacteria Can be used with either an air pump or any external filter Silent operation by reducing air pump noise Easy to install and simple to maintain

• Benefits:1. Provides excellent filtering effect while oxygenating the water2. Supports the colonization of bacteria3. Silent operation by reducing air pump noise
• Compatible Tank size:50 Gallons
• Filter Types:Mechanical; Biological