Supply Of Supply of Bellow duct set

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Supply Of supply of bellow duct set , supply of bellow duct set, each set of air bellow ducts consisting of: 01 no. of supply air bello w, 2 nos. of fresh air bellow ducts and 2 nos. of 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 end of ducts i.e. rmpu & coach shell side, shall be as per rdso specification no. rdso/pe/spec/ac/0197-2 020 (rev-1), suitable for use in lhb eog/hog type ac rmpus. [ warranty period: 60 months after the da e of delivery ] ]