Model A Hand Dryer from World Dryer - DA57-974 - Steel White, Push Button, Surface Mount - 277V. The Most Durable and Vandal Resistance Hand Dryers! World Model A is the standard hand dryer with the long motor life and quiet sound design. Its suitable for high traffic facilities needing vandal resistant features. The features of the Model A include: Long motor life. Low sound level Classis, durable and a Vandal resistant design. Swivel nozzle conversion option.