Demonstration Hood Base Cabinet or Stand Mount Number of Speeds Variable Air Flow 0.15 in SP at 100 fpm (230 cfm) 1 Phase Height 32 in Width 36 in Depth 29 in Length 29 in Duct Width 10 in Powder-Coated Aluminum Finish Clear Includes 2 in X 10 in Rectangular Exhaust Collars on the Top and Bottom Allow the Protector Demonstration Hood to be Connected to Ductwork For Exhausting to the Outside or to a Filtermate Portable Exhauster Series Protector Demonstration