GRAV is known for its quality scientific glass pipes and water pipes, as well as innovative designs like the Helix, STAX, Arcline, and more. Aside from scientific glass, GRAV Labs also manufactures high-end vaporizers and accessories. They've been leading the industry for over ten years and have created some of the most recognizable products for consumers around the globe. What sets GRAV apart from other brands is that they created an inexpensive product that looks awesome and works like a charm.