An easy fix. Our fixed frame windows are the clear and simple solution for a variety of applications. Available with clear or dark bronze framing in a number of different sizes. Choose from tempered glazing, or choose from bullet resistant Level 1 or Level 3 glazing. Purchase with confidence. Covenant Security Equipment takes pride in every product that we sell. Quality is always guaranteed, and we back it up with a 12-month warranty. Click Here to read our Standard Product Warranty. Tech Specs Dimensions FF-3636 Window Unit Size: 36" (W) x 36" (H)Rough Opening: 36-3/8" (W) x 36-3/8" (H) FF-3660 Window Unit Size: 36" (W) x 60" (H)Rough Opening: 36-3/8" (W) x 60-3/8" (H) FF-4836 Window Unit Size: 48" (W) x 60" (H)Rough Opening: 48-3/8" (W) x 60-3/8" (H) FF-4836 Window Unit Size: 48" (W) x 48" (H)Rough Opening: 48-3/8" (W) x 48-3/8" (H) FF-4860 Window Unit Size: 48" (W) x 60" (H)Rough Opening: 48-3/8" (W) x 60-3/8" (H) FF-4896 Window Unit Size: 48" (W) x 96" (H)Rough Opening: 48-3/8" (W) x 96-3/8" (H) Glazing Specifications 1/4" Tempered Glass Thickness: .25"Weight (lbs/sq ft.): 2.87 Level 1 Glass Thickness: 1.25"Weight (lbs/sq ft.): 7.7Protection: 9mmU.L. Designation: 752, Level 1 Level 3 Glass Thickness: 1.25"Weight (lbs/sq ft.): 7.7Protection: .44 magnumU.L. Designation: 752, Level 3 Downloads Three-sided view