Device for removing condensation from a windscreen

• Unusual items found in the German ventilation device
• Heater that removes mist from the windshield of a car

Wiktionary Word definitions in Wiktionary
n. 1 A part of the ventilation system in motor cars that blows hot, dry air against the inside of a windscreen to prevent, or remove condensation 2 Any of various devices that removes droplets of water from air

Wikipedia Word definitions in Wikipedia
A demister is a device often fitted to vapor-liquid separator vessels to enhance the removal of liquid droplets entrained in a vapor stream. Demisters may be a mesh type coalescer , vane pack or other structure intended to aggregate the mist into droplets ...

WordNet Word definitions in WordNet
n. heater that removes mist from the windshield of a car