Pax Labs Unveils Pax 3 Dual-Use Vaporizer For Loose-Leaf Material Or Marijuana Concentrates Pax Labs announced that vaping will be digitalized, and it recently released two more gadgets to make this a reality. Meet the Pax 3 and Pax Era, vapes that can deliver a customizable, app-ready vaping experience for an extra buck. by Horia Ungureanu