The 4210 Interior steel door is a solid door with glass opening GS2M. The single leaf version can be combined with classifications according to sound,fire and smoke. The door is applicable for indoor commercial and public environments where a high quality product is demanded ; eg hospitals, hotels, restaurants as well as parking lots, basements, technical rooms and staircases. Fire classificatons available as unclassified, EI2 30 & EI2 60.