Hankison pressure swing regenerative desiccant compressed air dryer, model hhe-115, serial # 1473517-1. Features dual desiccant chambers using activated alumina desiccant, rated for 115 scfm @ 100 psi, minimum/maximum working pressure 60/150 psi, maximum temperature 120 f, 1" inlet and outlet, operates on 90 to 264 vac, 1 phase, 47-63 hz, 30 w, 0. 25 amps @ 120 vac, dual desiccant chambers are national board rated for 285 psi @ -20 to 450 f. Formerly used in cosmetic manufacturing.