Great Lakes Air, GBS-100 Externally Heated Regenerative Compressed Air Chiller, Hazardous Location Class-1 Division-2 Group C&D {Z-Purge System} $18,107.00 – $42,854.28 Select options Great Lakes Air, GBS-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 4 Watertight Electrical $18,107.00 – $42,854.28 Select options Great Lakes Air, GBS-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 4X Exterior installation watertight electrical $18,107.00 – $42,854.28 Select options Great Lakes Air, GBS-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 100-500 SCFM $18,107.00 – $42,854.28 Select options Great Lakes Air, GBS-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 1600-4000 SCFM $18,107.00 – $42,854.28 Select options Great Lakes Air, GBS-100 Externally Heated Regenerative Compressed Air Chiller, NEMA 7/4 Class 1 Div. 1 Group B,C,D 650-1400 SCFM $18,107.00 – $42,854.28 Select options Great Lakes Air, GBS-100 Externally Heated Regenerative Compressed Air Chiller, No NEMA Rating $18,107.00 – $42,854.28 Select options