Double Sealed Non-Openable Window Glass Unit Of Size 1560X860X26Mm (Big) Conforming To Specn. Mdts-089, Rev-4. Drg No : Ts/Mc-5-4-001, Item No.1, Alt : F, Type Drg: Icf. Note: As Per Drawing, Glass For Glass Unit And Pillar Glasses Should Be Procured Only From Reputed Manufacturers Like: 1. M/S Saint Gobain 2. M/S Modiguard 3. M/S Ais.