Two Way Horn Valve (Duplex Valve) For Crew Friendly Wap-7 & Wag-9 Locomotives. As Per Clw Drawing No. 1209-18.306-219 Str: Clw/2025/Eldo/M/Str/0198 Rev 0. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]