High Five AIN inserts are produced from the highest quality aluminum nitride ceramics available. AIN is utilized in modern medical applications such as bone & joint replacements and/or coatings of bone replacements due to the unique mechanical & chemical characteristics and nontoxic, biocompatible nature. 

AIN has extremely high thermal conductivity of over 200 w/m/K which is 133x more than Quartz. Elevate your Duo experience with the insert that offers superior flavor preservation & vaporization efficiency vs all other materials currently being offered. The insert has a large 16mm diameter bowl to accommodate even the most experienced users. The AIN insert can be torched clean with a direct flame for easy maintenance resulting in it appearing almost if it were brand new.