Check your eligibility criteria for tender Supply of Dry Type Fresh Air Filter Size 260X230x60 Mm With Stainless Steel Frame Filt Er Media Used Shall Be Synthetic Non Woven Polyester Coated Having Fire Retardan T Property And Suitable For Rmpu Type Ac Coaches Confirming To Rdso Specn. No. Rd So/Pe/Spec/Ac/0055-2003Rev.2 Or Latest And Drg. No. Rdso/Pe/Sk/Ac/0057-2003 Rev.2 Item 3 Of Sheet 1 Of 2 Or Latest. Warranty Period: 30 Months After The Date Of Delivery