The Filterite division of this company announces that NSF has tested and certified its CLARISTM series filters. The melt blown depth filters are constructed of 100% polypropylene and feature a proprietary E-Core, or extruded fibrous core. The Claris series filters incorporate multiple filtration zones for effective pre and final filtration of contaminant, and offer lower initial pressure drops and longer on-stream life than conventional melt blown filter cartridges. Circle No. 220