Arizer Solo O-Ring
If your Arizer Solo mouthpiece got loosen on your Solo, use this O-ring made of refractory silicone to get a firm fitting.
Unscrew cap, insert O-ring on the heater and center it (mouthpiece can be used for centering), screw down the cap and the mouthpiece fits firmly as it was his first day. :)
- 2 x O-Ring