Set Of Dry Type Fresh And Return Air Filters As Per Rdso/Pe/Spec/Ac/0055-2003(Rev-2)And Rdso Drawing No.Rdso/Pe/Spec/Ac/00 57-2003(Rev2)Sheet 1 Of 2,One Set Consisting Of Item No.1-01 Nos.Item No.2-01 Nos. Size Of Item No. 1 Is 550X500X50 And Item No. 2 Is 260X23 0X60 [ Warranty Period: 30 Months After The Date Of Delivery ] ]