Rubber Filters K&N with your purchase! Best for performance, leveling, touring & 4x4 offroad for trucks, SUVs, Jeeps and other vehicles! Verified fit CHEVROLET COBALT 2005-2006 (2005 2006) Length: 5-9/16, Weight: 1.3 lb (0.6 kg), Product Style: Round Tapered Universal Air Filter, Package Contents: 1 Air Filter, Filter Material: Cotton Gauze, Filter Re-Oiling Amount: 1.06 oz (31 ml), Finish: None, Air Filter Large End Diameter: 6 in (152 mm), Flanges: 1, Top Style: Rubber, Air Filter Shape: Round Tapered FAST SHIPPING & WARRANTY: We ship from various warehouses throughout the USA under the manufacturer's warranty! *Please ask us full technical details at the Questions field at bottom of the page.