Supply of Heatless Regenerative Twin Tower Air Dryer With Final Filter And Auto Drain Valve For Wag-7/Wap-4 El Ectric Locos Conforming To Rdso Specn. No. Mp-0.01.00.06 Rev.06 March-2021 To Kbi Drawing No. I.3.928 Warranty Period: 30 Months After The Date Of Delivery