The Hussmann 1802356 Wire Heater Frame 4 Door Light helps maintain clear door visibility by reducing moisture buildup around the frame area. This replacement wire heater frame is designed for compatible four-door refrigerated display units and works by generating controlled heat along the door frame to help prevent condensation and frost formation. By keeping the frame area warmer tha... https://partsfe.ca/wire-heater-frame-4-door-lt-for-hussman-part-1802356