DAHLE CleanTEC 41334 High Security Paper Shredder w/Fine Dust Filter, Automatic Oiler, SmartPower, Security Level P-7, 1-3 Users NSA/CSS 02-01 Approved for Top Secret Data Destruction Dahle CleanTEC filters up to 98% of harmful fine dust for a cleaner, healthier work environment Automatic EvenFlow Lubricator provides continuous oil across the cutting cylinders to maintain peak performance Precision milled cutting cylinders offer strength and reliability SmartPower Energy Management reduces power consumption and saves on electrical costs Automatic jam protection reverses motor in the event of an overfeed German engineered machine offering trouble free operation and peace of mind Automatic On / Off and Bag Full Auto Off Convenience Chain driven motor for slip-free performance Shreds CDs, credit cards, paper clips and staples