Air Make-Up Units 02 - Engineer Air 15000 CFM 03 - Temprite 8000 CFM 04 - Temprite 50000 CFM 05 - Hamilton Thermal 30000 CFM 07 - Lambert Hoppen 65000 CFM 08 - Pro Thermal 60000 CFM 09 - Temprite 30000 CFM 10 - ICG 20K CFM 11 - Temprite 20K CFM ICE 25k CFM - 1k BTU