Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-12D-HLN4, 12 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $45,814.00 – $173,732.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-12D-N4, 12 VDC Controls. NEMA 4 Watertight Electrical. $40,769.00 – $168,687.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-12D-N4X, 12 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $41,476.00 – $169,394.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-12D-N7, 12 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $47,658.00 – $175,576.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-12D, 12 VDC Controls. NEMA 12 Rating. $40,458.00 – $168,376.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-24D-HLN4, 24 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $45,814.00 – $173,732.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-24D-HLN4, Pneumatic Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $47,996.00 – $175,914.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-24D-N4, 24 VDC Controls. NEMA 4 Watertight Electrical. $40,769.00 – $168,687.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-24D-N4, Pneumatic Controls. NEMA 4 Watertight Electrical. $42,951.00 – $170,869.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-24D-N4X, 24 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $41,476.00 – $169,394.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-24D-N4X, Pneumatic Controls. NEMA 4X Exterior Installation Watertight Electrical. $43,658.00 – $171,576.30 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-2750-116-24D-N7, 24 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $47,658.00 – $175,576.30 Select options