SOURCE: BNN Greentank COO, Corey Koffler, discusses what sets Greentank vaporizer hardware apart from the competition, along with gaining valuable funding from some of the industries most reputable companies, including…

SOURCE: Direct Cannabis Network Greentank, a Toronto-based vape manufacturer, was founded in 2015 by Corey Koffler and Dustin Koffler with a mission to design, develop and manufacture innovative high performing…

Greentank mentioned in BNN interview by Casa Verde Managing Partner, Karan Wadhera. Greentank mentioned at 4:08 mark: Source: BNN