The XL 3D Joystick Insert

Available airflow settings: 

0.080" - Super low temp only

0.085" - Small size, most restricted, rig-like experience 

0.090" - Medium size, most popular and most sold size. Best balance of functionality &                       vapor density. 

0.094" - Large size, smoothest, works best for recyclers & dry tops

0.100" - XL size, maximum airflow while still getting nice vapor