Stainless hopper receiver to eliminate contamination.Microprocessor controller for ease of use and has multiple alarmindicators. Motor overoad protector ensure long motor life.Audible material shortage alarm device.Filter designed for easy cleaning and has filter status checkingwindow for easier monitor of filter condition.Both vacuum hopper and photosensor hoper can be directlymounted on molding machine's feed port. The above-mentionedloaders adopt standard stainless-steel mesh.Cyclone separator can reduce filter dean frequency when used fordusty regrind materials. Proportional valve for mixing virgin and regrinds materials, or formaterial instant recycling.