Perforated metal grille painted flat black. Measures 15¾ x 12¾ by 20 gauge. The grille is used in the inlet and exhaust of C-90 C-90A C-90B.
When removing this grille be careful not to damage the filter interlock switch. This grille may become stuck from glue oozing out where the side rails are mounted. The grille can get hung up on the interlock switch when trying to remove it.