Adapts Vevor 2KW diesel heater output to 6-inch (15.24 cm) flex duct in a compact design. Maximum temp = 150C (300F).   For preheat anywhere using the aircraft's avgas fuel and battery power.   Attaches using a bungee for quick connect, no screw clamps required. 
 
1.5 Amp-hour electrical power consumed and 300 cc (10 fluid ounce) of avgas fuel for 30 minute preheat .   2KW diesel weight = 6 lb.