Great Lakes Air, GBS-650 Externally Heated Regenerative Compressed Air Chiller, Hazardous Location Class-1 Division-2 Group C&D {Z-Purge System} $35,212.00 – $86,251.20 Select options Great Lakes Air, GBS-650 Externally Heated Regenerative Compressed Air Chiller, NEMA 4 Watertight Electrical $35,212.00 – $86,251.20 Select options Great Lakes Air, GBS-650 Externally Heated Regenerative Compressed Air Chiller, NEMA 4X Exterior installation watertight electrical $35,212.00 – $86,251.20 Select options Great Lakes Air, GBS-650 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 100-500 SCFM $35,212.00 – $86,251.20 Select options Great Lakes Air, GBS-650 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 1600-4000 SCFM $35,212.00 – $86,251.20 Select options Great Lakes Air, GBS-650 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 650-1400 SCFM $35,212.00 – $86,251.20 Select options Great Lakes Air, GBS-650 Externally Heated Regenerative Compressed Air Chiller, No NEMA Rating $35,212.00 – $86,251.20 Select options