Biological and mechanical filter chambers for more efficient removal of dissolved and solid waste Simple quick handle cleaning system for easy maintenance (no need to open and clean foams all the time) Enables rapid growth of aerobic bacteria resulting in removal of lethal ammonia and nitrite UV Power: 55-watt, one lamp pre-installed, Max Flow rate: 12000L (3170GPH) Dimension: 17. 5" x 17. 5" x 27" tall. Hose fitting: 1. 25", 1. 5" & 2" Included components: Pond Filter, UVC lamp, Hose adapters