Lotus Green Genie 2500 Pond Filter 7W UV / UVC - Guaranteed Clear Fish Water!
A Koi pond especially needs sufficient filtration to ensure clean, clear, healthy water. Lotus Green Genie 2500 Filter. UV Bulb: 7W. Green Genie 2500 Specifics Includes Ultraviolet lamp. Inlet & Outlet: 19-25mm and 32mm.