Great Lakes Air, GEH-100 Externally Heated Regenerative Compressed Air Chiller, Hazardous Location Class-1 Division-2 Group C&D {Z-Purge System} $9,847.00 – $29,254.37 Select options Great Lakes Air, GEH-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 4 Watertight Electrical $9,847.00 – $29,254.37 Select options Great Lakes Air, GEH-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 4X Exterior installation watertight electrical $9,847.00 – $29,254.37 Select options Great Lakes Air, GEH-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 100-500 SCFM $9,847.00 – $29,254.37 Select options Great Lakes Air, GEH-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 1600-4000 SCFM $9,847.00 – $29,254.37 Select options Great Lakes Air, GEH-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 650-1400 SCFM $9,847.00 – $29,254.37 Select options Great Lakes Air, GEH-100 Externally Heated Regenerative Compressed Air Chiller, No NEMA Rating $9,847.00 – $29,254.37 Select options