D2865 Steel Door With Louvers Door Type 2 Lock Type Mortise Material 18-gauge Thermal Insulation U-Factor 0.41 Door Opening Height 80 in Door Opening Width 36 in Thickness 1-3/4 in Agency Compliance ANSI UL For Use With Frames 1PHU7 1PHV2 1PHV6 1PHW1 Includes 24 X 60 in Louvers 4-7/8 in 35-1/4 in 65-3/8 in 36-1/4 in 80 in