supply of lavatory air exhauster lhb type as per drg. no. lgs/eog-4-3-007 and after fabricating it em to be painted with one coat of zinc chromate primer to is : 2074/92 and shall be followed by one co at of enamel synthetic exterior paint air craft blue. [ warranty period: 30 months after the date of de livery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]