Set Of Items For Grill Complete For Roof Ventilator In Lhb Coaches. 1. Grill Plate Conforming To Rdso Specification R Dso/Spec. C-K201 X5Crni1810 And To Rcf Drawing No. Ls16152, Item-03, Alt.-C. Qty.- 01 Nos/Set. 2. Expanded Metal Size 228 Dia. Confo Rming To Is Specification Is: 412-1975 And To Rcf Drawing No. Ls16152, Item-05, Alt.-C. Qty.- 01 Nos/Set. Note: Note Points 1& 2 Mentioned In The Drawing No. Ls16152, Alt-C Must Be Followed. [ Warranty Period: 30 Months After The Date Of Delivery ] ]