It's unique-looking, is ridiculously easy to fill, and vapes well when it's working. Sadly, mine developed a leak around the middle where the
tank screws onto the base. I believe the plastic threading on the bottom of the
tank wore a little, resulting in a not-quite-perfect fit that allowed liquid to seep out.
Vendor offered to replace it but I bought the Pyrex Aro instead. If you're gonna get a clearo from Smok, that's the one I would recommend. It's robust, sharp-looking, has a Pyrex tank (vape whatever you want with impunity!) with a metal sheath to protect it. Draw is a bit on the airy side, but it tends to be with BCCs, I've found.
Just my experiences. It did look cool, though. Like a lava lamp.