Confined space fan blower fan speed 1 725 rpm current a 7.2 A duct diameter 16 in horsepower 1 2 hp maximum flow in free air 3 400 cfm voltage 115 v ac color orange for use with 8 in duct material aluminum polyester polypropylene pvc rubber steel vinyl height 19 in length 18 in width 18 in standards astm 227 csa c22.2 No.113 Type axial Brand: Allegro Industries