Evolution Aqua Nexus 220 (4,800 Gal) Filtration Systems

  Specifications:  Max Pond Size: 4800 gallons Max Flow Rate: 2640 gph Volume of Water in Nexus: 134.72 gallons Volume of Water in Inner Chamber: 27.73 gallons Volume of Water in Outer Chamber: 106.99 gallons Advanced filtration systems for Koi ponds now with NEW K+ Media Building on the tried and tested technology that has been present in the world renowned Nexus, the team at Evolution Aqua have gone even further to enhance their number one koi pond filter.  The Nexus 220+ and Nexus 320+ filters now come with a new filter media called K+ Media in the moving bed outer chamber for vastly improved biological filtration and faster filter maturation. The new Nexus+ filters are now supplied "auto ready", with factory fitted fixings already in place, making it even easier to upgrade to the Nexus Automatic Cleaning System. How the Nexus Works Water from the pond enters the nexus via the inlet into the inner chamber which works as a vortex, allowing larger solids to settle out. Water the