Supply of Passenger Emergency Alarm Valve Complete. Drawing No. Rdsos Sketch - 97029 Alt-3, Item Nos. 1 To 24 In Assembled Condition. Material And Specification: As Per Drawing And Conforming To Appendix-J Of Rdsos Spec. No. 02-Abr-02 With Amend No.4 O F Sept.2016. Warranty Period: 30 Months After The Date Of Delivery