Donmar Heated Washer Fluid TechnologyNOTE: Unit + Installation Price may change depending on the vehicle you have It is the only proven, effective, windshield washer fluid heating system that offers consumers both safety and convenience at an affordable price. Patented, proprietary technology enables its heating system to heat windshield washer fluid using a minimal amount of energy produced by the vehicles electrical system to remove frost, ice, snow, bugs, glare and other debris. The