Supply Of Air Bellow Duct Set, Each Set Of Air Bellow Ducts Consisting Of: 01 No Of Supply Air Bellow Duct, 02 No Of Fresh Air Bellow Ducts & 2 Nos Return Air Bellow Ducts .The Bellow Ducts Should Be Made Of Meta Aramid/Para Aramid Fabric With Silicon Rubber Coating On Both Sides And The Metallic Frames At Both Ends Of The Ducts I.E. Rmpu Side & Coach Shell Side, Shall Be As Per Rdso Specification No. Rdso/Pe/Spec/Ac/0197-2020 (Rev.-1) & Rdso Drawing No. Rdso/Pe/Sk/Ac/0069-2004 (Rev.3) Or L Atest, Suitable For Use In Lhb Rmpu Type Ac Rmpu, ( One Complete Set Comprises 01 No Supply Air Bell Ow , 02 Nos Fresh Air Bellows & 2 Nos Return Air Bellows I.E. Total 05 Nos) . [ Warranty Period: 30 Mon Ths After The Date Of Delivery ] ]