Features: The Brawny Professional D400 Disposable Shop Towel Is Designed For Use In The Brawny Professional Automated Dispenser Whose Technology Delivers Higher Efficiency Than Cloth Rags. The Brawny Professional Format Replaces Waste Of Bundles And Bulk Packs By Dispensing "Just What You Need" To Get The Job Done. The Brawny Professional Automated System Is Powered By Four Long-Lasting Standard D-Cell Batteries Providing For Easy And Low Maintenance Requirements And Dispenses 5 Different Wiper Options For Specific Wiping Needs And Is Designed To Mount Strategically Near Workers. Durable, High-Capacity Cabinet Includes A Locking Mechanism To Eliminate Pilferage, Protects Wipers Against Airborne Contaminates And Reduces Time Wasted Handling Rags.