Features Most economical fire and safety rated glazing meeting all the standards for 90 minute temperature rise doors. Non-wired clear glazing providing the highest visual clarity. Impact safety rated to meet federal and code standards. Vision lite kits available in these sizes: 5A-35, 6A-27, 7A-22, and 12A-12 Can be used for interior and exterior applications. Lifetime warranty. USA manufactured for fast delivery and competitive pricing.