synthetic pocket filter graded F6-F7,is made of medium by mixing coarse,curled and especially melt-blown fine fibers affer discharging,and shows excellent durability in efficiency during operation.Every single bag with welded-in ribbon can effectively maintain the individual pockets in a permanently open shape,eliminating dead zoneâ?�as a result of over-open in the process of operation.Rational structure leads to low air resistance and longer life-time.
