INNER GRILL FOR AIR EXHAUSTER AS PER DRAWING NO. ICF/ SK- 4- 2- 090 ALT. D or latest, Column- I, ITEM NO.- 2. as per Drg. No. DRAWING NO. ICF/ SK- 4- 2- 090 ALT. D or latest, ITEM N specn: DRAWING NO. ICF/ SK- 4- 2- 090 ALT. D or latest, ITEM NO.- 2.