Infratech 21-4200 39" CD-Series Dual Element All-Weather Heater 5000W 240V - Our powerful dual-element CD-Series fixtures provide concentrated heat for larger scale applications in high visual impact locations. Our low profile heaters are suitable for outdoor installations and offer a pleasing, streamlined look due to low clearance requirements. Features like floating mounts with inset mounting brackets combine a sleeker profile with concentrated heat output, for optimal warmth and style.