supply of fresh air filter suitable for rmpu unit of vande bharat trainfresh air filter suitable for rmpu unit of vande bharat train,fresh air filter of size - 210x203x13 mm suitable for rmpu unit of vande bharat train, confirmi ng to rdso specification no. rdso/pe/spec /ac/0055-2003 (rev-2) or latest. [ warranty period: 30 month s after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: m ax 8 lacs ] ] , train 18 return air filter size: 840x490x50mm as per rdso/pe/spec/ac/0055-2003 (rev.-2) or latest, with filter media complaince to en45545 hl(1-3) [ warranty period: 30 months aft er the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: m ax 8 lacs ] ] => limited