The DAHLE CleanTEC® 51522 Department Shredder destroys confidential information while producing cleaner air. It features an internal filter system that traps up to 98% of harmful fine dust particles, and an automatic EvenFlow Lubricator® to ensure optimal performance. This P-5 shredder produces a 1/13" x 9/16" particle size and holds up to 38 gallons of shredded waste. It's German engineered, and guaranteed to provide many years of trouble-free operation. DAHLE CleanTEC®- Breathe easy while using the world's only shredder with a fine dust filter system. This integrated system permanently traps up to 98% of the fine dust, and provides a cleaner, healthier work environment. EvenFlow Lubricator®- Just like any fine-tuned machine, your shredder needs to be properly oiled to run at peak performance. This DAHLE CleanTEC® is equipped with an automatic oiler which provides slow, continuous oil across the entire cutting mechanism. JAM PROTECTION- The cylinders Trident Grip design produces three continuous points of contact with the paper, pulling it straight through the cylinders providing unprecedented jam protection. The result is a machine with strength, power and the ability to handle all of your data destruction needs. SMARTPOWER- This shredder automatically powers down after 30 minutes of inactivity. It will appeal to those interested in conserving energy as well as reducing electrical costs.