Meri Environmental Solutions- screw conveyor pockets ,Lightweight/Fiber Containing Rejects. Compax CFX-F. MinipressMartin's Pocket Guide to Screw ConveyorMartin's Pocket Guide to Screw Conveyor is a quick and easy reference to understanding what information is needed to quote a Screw Conveyor. It is also helpful when identifying component parts and understanding our nomenclature.