This is an 18mm Quartz Cap with heady stem/bowl - 4 pinch bowl
Load some herb in the stem put the cap on then heat it like a Vapcap with a dab torch. Air is pulled up from the bottom and heated as it passes between the hot glass. It is a 70-30 conduction/convection mix
Includes the stem/bowl, quartz heater, large stand stand, tongs & screens and poker/stir tool
Demo Videos:
https://theroguewaxworks.com/blogs/news/the-glass-cap-beta