The Grainger 16X612 is a 16-inch diameter, 6-blade, 12-inch pitch axial fan made by Continental Fan Manufacturing Inc. It features a cast aluminum hub and blades and is designed for general ventilation, cooling, and exhaust applications. This direct drive fan has a 1/3 HP, 115V, 1-phase motor with permanently lubricated ball bearings and operates at 1075 RPM. It can move air up to 3920 CFM and has a sound rating of 68 dBA. The 16X612 weighs approximately 27 lbs and measures 19.5 x 19.5 x 12 inches.