As one of the pioneers of vaporizer pens, Grenco Science is well known for their line of durable, affordable and versatile vape pens and portable vaporizers. Leading the industry in ingenuity since their inception, Grenco continues to engineer some of the most advanced, user-friendly pen-style and portable vaporizers in the world. By integrating unmatched performance with truly portable designs, Grenco Science has been able to stake their claim as one of the most trusted names in vaporization.