Medium Efficiency bag Filters(MEP) Features: Available in wide range of size:21mm, 26mm, and 47mm High efficiency filtration with low resistance and life-span long used in both commercial and industrial applications Rated wind speed: 2.50m/s, Max temperature 60 centigrade Efficiency rates: 40-45%(F5),60-65%(F6),80-85%(F7) and 90-95%(F8) bag filters are constructed of synthetic fiber media and assembled in galvanized steel frame