D2856 Steel Door With Louvers Door Type 2 Lock Type Mortise Material 18-gauge Thermal Insulation U-Factor 0.41 Door Opening Height 84 in Door Opening Width 36 in Thickness 1-3/4 in Agency Compliance ANSI UL For Use With Frames 1PHU8 1PHV3 1PHV7 1PHW2 Includes 12 X 12 in Louvers 4-7/8 in 37-1/8 in 69-3/8 in 40-1/4 in 84 in