Grenco Science creates some of the most innovative, and technological advanced portable vaporizers in the world. They have been around since 2002 and have redefined the face of the vaporizer industry. They are most well known for their G Pen Vape Pens that work with dry herbs and waxes. Their most popular dry herb vaporizer is the G Pro that is available in a wide variety of designs and colors. Grenco Science has done many collaborations vaporizers with celebrities including Snoop Dogg and Wiz Khalifa. If you are looking for a high-quality vaporizer from a brand that you can trust, look no further than a Grenco Science vaporizer. They offer vape pens for any type of vaping enthusiast.