Exhaust Kit Fan Shape Square Mounting Eye O.C. 4 1/2 in Height 7 4/5 in Depth 3 3/4 in Width 8 7/8 in Fan Cord Length No Cord Mounting Position Horizontal Thermal Protection No Thermal Protection Max Ambient Temp 158 Degrees F Blade Material Polycarbonate Housing Material Composite Color Gray Includes Air Filter Filter Retainer with Integral Finger Guard Grille Standards UL 508A Component Recgonized File No E61997 Type 3 For Use With Electrical Enclosures