D2865 Steel Door With Louvers Door Type 3 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 1PHR9 1PHT4 1PHT8 1PHU3 Includes 24 X 60 in Louvers 7-3/8 in 37-5/16 in 67-1/4 in 35-15/16 in 80 in