Allegro Industries 9515-01 16in Axial explosion-proof blower, 115V Plug. Designed for use in applications requiring a large amount of output in hazardous location environment. Our 16in Axial explosion-proof metal blower is offered with a 1/2 HP single Phase Motor and an efficient six-blade impeller fan in a rugged metal housing. Also included is a NEMA Rated 115V Plug to be used with an explosion-proof socket (sold separately). meets Class I, Division 1 and 2, groups C & D, Class II Division 1 and 2 groups F & G. Certified to standard C22.2 no.113. Motor: 1/2 HP, UL listed, CSA certified, 115/230V AC, 60 Hz, single phase, 1725 RPM.