Set Of Top And Bottom For Machine Room Blower Duct. Set Consists Of Two Items. (1) Top Gasket As Per Drg. No.C/ Els/ Lgd/ Rc/4/19,Alt.1- 01 No. (2) Bottom Gasket As Per Drg. No.C/Els/Lgd/Rc/4/20, Alt.1-01 No. Specn: Xx