Supply Of Air Filter Element Inner & Outer Set Part No. 3237742, Af-1922 M Suitable For Mark Iv Tow Er Wagon Engine Model Nt-855. Make- Fleet Guard, Cummins Or Similar Brand. Remarks - One Sample Needs To Be Sent And Approved By The Consignee Before Bulk Supply. Warranty Period: 30 Months After The Date Of De Livery