The XXL AlN insert offers several advantages: 1, The increased height of the cup prevents splattering of the contents when heated. 2, The larger contact area at the bottom of the cup enhances vapor production, ensures more uniform heating, resulting in a better taste experience, albeit with a potential increase in battery consumption. 3, AlN is one of the best heat-conductive materials,greatly enhancing the flavor of your concentrates，and easy to clean.. How to clean the XXL AlN insert? First, roughly clean it with alcohol and a soft cotton swab, then use a torch to heat the AlN until it glows red (AlN melting point:5400°F) to burn off any remaining residue easily. Warning：Please do not clean the AlN cup insert with a wire brush or other hard objects, as it can easily scratch its surface.
