7% quieter in 2019 at only 68.2 decibels Upgraded all metal back for increased durability Additional air vents for quieter operation and faster dry time Fast results with less noise, 10 second dry time 1-piece cover with double vandal-resistant screws and key wrench Power cuts off automatically after 60 seconds of irregular use 70% cost savings vs. conventional hand dryers 94% cost savings vs. paper towels Blue light allows use to maximize dryers efficiency Optional air filter available 5 Year Warranty