The component with the lowest price in the AIR CLEANER schematic is the Screw,tapping.
The most expensive part in this assembly is the Valve Assy.,bypas.
Parts such as the Air Cleaner: Screw,tapping,(po)5x, Case A,air/c, Screw,tapping,4x16, Nut,special M6x1. are included in the Cb600fa Hornet 2010 (a) European Direct Sales / Abs Air Cleaner parts fiche.