Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-12D-HLN4, 12 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $30,386.00 – $104,626.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-12D-N4, 12 VDC Controls. NEMA 4 Watertight Electrical. $25,341.00 – $99,581.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-12D-N4X, 12 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $26,048.00 – $100,288.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-12D-N7, 12 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $32,230.00 – $106,470.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-12D, 12 VDC Controls. NEMA 12 Rating. $25,030.00 – $99,270.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-24D-HLN4, 24 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $30,386.00 – $104,626.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-24D-HLN4, Pneumatic Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $32,568.00 – $106,808.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-24D-N4, 24 VDC Controls. NEMA 4 Watertight Electrical. $25,341.00 – $99,581.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-24D-N4, Pneumatic Controls. NEMA 4 Watertight Electrical. $27,523.00 – $101,763.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-24D-N4X, 24 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $26,048.00 – $100,288.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-24D-N4X, Pneumatic Controls. NEMA 4X Exterior Installation Watertight Electrical. $28,230.00 – $102,470.34 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1250-116-24D-N7, 24 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $32,230.00 – $106,470.34 Select options