Grenco Science is a portable vaporizer company with their roots in the vape pen market, they have made an eruption onto the herbal vaporizer scene with the Gpen Elite. Grenco Science specializes in discrete portable vapes.
Grenco Science is a portable vaporizer company with their roots in the vape pen market, they have made an eruption onto the herbal vaporizer scene with the Gpen Elite. Grenco Science specializes in discrete portable vapes.