The 3.5kw Lightweight Heater is ideal for use in small vehicles for defrosting windscreens, or as a secondary heating device for vehicles if you already have a heated windscreen. 3.5kw Lightweight Heater 12v The 3.5kw Lightweight Heater is our second smallest and lightest hot water based heater after the 2.2kw Micro Heater, sacrificing a little weight for performance this unit can be used as a more powerful defrost heater and can also provide more cabin heat.
eBay