The DAHLE CleanTEC® 51314 Small Office Shredder destroys confidential information while producing cleaner air with an internal fine dust. filter It features oil-free operation, automatic jam protection, shreds paper to security level P-4 standards and an internal filter system that traps up to 98% of harmful fine dust particles. This Dahle CleanTec 51314 Level P-4 Oil-Free Cross-Cut Shredder shredder produces a 1/8″ x 1-9/16″ particle size and holds up to 23 gallons of shredded waste. It can also shred CDs, credit cards, paper clips, and staples.