Designed for use on many Type 12 and 13 enclosures. These kits are for indoor use in a temperature range of 55 F to 125 F (13 C to 52 C). For more severe conditions, use Steel, Stainless Steel, or Non-Metallic Window Kits. The window is scratch-resistant. Special high-strength, double-sided tape is supplied as well as screw fasteners. Windows can be cut to smaller sizes.