Exhaust Kit Fan Shape Square Mounting Eye O.C. 4 1/8 in Height 6 2/7 in Depth 2 2/3 in Width 7 3/8 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 2 For Use With Electrical Enclosures