Savio Skimmerfilters:For water flow from 500 to 8500 gph.Skimmer action removes up to 85% of debris before it settles to the pond bottom.Optional UV clarifier eliminates green water. sav001Regular price: $329.99Sale price: $240.00Faceplate: Assembly6"FaceplateAssembly8.5"FaceplateAssembly16"Optional25wattUVOptional57wattUv