Buy Smart Cartridges Online. Firstly, these are an ironically-named brand of THC cartridges. It was covered here at Dab Connection way back before your humble author joined the ranks. Also called “the clear” by some dispensaries and extraction companies, distilled THC is one of the most potent forms of cannabis out there, but it’s created by a process unknown to most. Distillates are made through a process called molecular distillation.