Vacuum Destoner Features: Forsberg’s P-Series Destoners are avaiable in four different capacity sizes with numerous options including an enclosed frame or a sanitary frame subject to your specific requirements. The destoner seperates dry granular material into two specific weight fractions. This is done by high-speed eccentric deck motion and air being drawn through a pre-sized screen. Forsberg’s, Inc. has over 60 years experience in designing and manufacturing all styles of processing equipment. Over these year, our marketing has geographically expanded to unlimited product categories worldwide.