Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-12D-HLN4, 12 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $32,710.00 – $111,214.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-12D-N4, 12 VDC Controls. NEMA 4 Watertight Electrical. $27,665.00 – $106,169.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-12D-N4X, 12 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $28,372.00 – $106,876.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-12D-N7, 12 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $34,554.00 – $113,058.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-12D, 12 VDC Controls. NEMA 12 Rating. $27,354.00 – $105,858.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-24D-HLN4, 24 VDC Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $32,710.00 – $111,214.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-24D-HLN4, Pneumatic Controls. Hazardous Location Class-1 Devision-2 Group C&D (Z-Purge System) $34,892.00 – $113,396.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-24D-N4, 24 VDC Controls. NEMA 4 Watertight Electrical. $27,665.00 – $106,169.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-24D-N4, Pneumatic Controls. NEMA 4 Watertight Electrical. $29,847.00 – $108,351.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-24D-N4X, 24 VDC Controls. NEMA 4X Exterior Installation Watertight Electrical. $28,372.00 – $106,876.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-24D-N4X, Pneumatic Controls. NEMA 4X Exterior Installation Watertight Electrical. $30,554.00 – $109,058.88 Select options Great Lakes Air, GPS Heatless Regenerative, GPS-1400-116-24D-N7, 24 VDC Controls. NEMA 7 Class 1 Devision 1 Group B,C,D Watertight NEMA 4 $34,554.00 – $113,058.88 Select options