supply of air filter element (outer), equivalent t [air filter element (outer), equivalent to part no.: 9990186/p556287 for t-28 machine. make- ameca-colmar/donaldson note: material supplied by firm should be fitted on machine without any modifications and all ports & mounting should match as per existing part on machine and all function of item should work successfully.] , air filter element (outer), equivalent to part no.: 9990186/p556287 for t-28 machine. make- ameca-colmar/donaldson note: material supplied by firm should be fitted on machine without any modifications and all ports & mounting should match as per existing part on machine and all function of item should work successfully. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]