Spring loaded fixed mouth piece
The patent design M4 chamber allows user to press down on the mouth piece to "re-mix" the dry contents inside the chamber without opening the chamber, which allows the user to reach all of the dry contents inside
Dual filter system
Sliding air flow control, 2 air holes
510 threading connection (the center pin is NOT spring-loaded)
Detachable burner: The chamber and the coil are detaches to avoid damage while cleaning
Self-cleaning: the M4 chamber one push button allows the user to clean the chamber easily without any tool