Xaralyn - The combustion of our bio ethanol burner is completely clean. Due to the lack of flue gases there is no flue required. This means the Umbria can be placed virtually
Xaralyn Built in unit XXL with Bio ethanol burner - YouTube
Xaralyn CL100 Bioethanol Bio Alcohol 24 x 1 Litre : Amazon.de: DIY & Tools