Supply of Set Of Maintenance Kit For Air Flow Measuring Valve, Comprising Of 7 Items 10 Nos. As Per Sketch No. Elw/Bsl/Sk.No. 9163, Alt-2. Each Unit Should Be Emboss/Engraved With Makers Name, Month, Year And Batch No. Of Manufacturing At A Conspicuous Place. Warranty Period: 30 Months After The Date Of Delivery