Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-12D-HLN4, 12 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $47,578.00 – $178,733.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-12D-N4, 12 VDC Controls. NEMA 4 Watertight Electrical. $42,533.00 – $173,688.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-12D-N4X, 12 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $43,240.00 – $174,395.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-12D-N7, 12 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $49,422.00 – $180,577.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-12D, 12 VDC Controls. NEMA 12 Rating. $42,222.00 – $173,377.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-24D-HLN4, 24 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $47,578.00 – $178,733.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-24D-HLN4, Pneumatic Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $49,760.00 – $180,915.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-24D-N4, 24 VDC Controls. NEMA 4 Watertight Electrical. $42,533.00 – $173,688.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-24D-N4, Pneumatic Controls. NEMA 4 Watertight Electrical. $44,715.00 – $175,870.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-24D-N4X, 24 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $43,240.00 – $174,395.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-24D-N4X, Pneumatic Controls. NEMA 4X Exterior Installation Watertight Electrical. $45,422.00 – $176,577.24 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-3000-116-24D-N7, 24 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $49,422.00 – $180,577.24 Select options