Our Helix and Glycerin Multi-Purpose kits are excellent for smokers who want versatility from their hand pipe.  Both kits can be converted from simple hand pipes to bubblers or vapor straws for use...

The most common problem with our glass blunt concerns the heat-shrink tubing that connects the two glass components.  If the tubing gets wet, it can lose its snug fit.  To re-fit the tubing, assemb...

Be mindful of sharp edges when handling our grinders as their teeth are very sharp, intended for shredding raw plant matter. Occasionally, our colored grinders can lose some of their superficial dy...

Because the Fire-Button™ is electronic, please read its guidelines (included in the box) before using it. The Fire-Button™ can only be used with the charger with which it’s sold.  Otherwise, the ba...

The most common issue with Helix™ products is the airflow.  If you don’t think your Helix™ is spinning the smoke properly, test its function using a small piece of paper about the size of a BB.  Pl...

The most common issues with downstems are issues with fit.  Sometimes the bulb of a downstem might not fit through the opening of the ground joint.  Sometimes the downstem is too long, and its tip ...

Yes, and it’s very serious.  There is no known cure.

The Venturi chamber mouthpiece featured across the Helix line was developed by a Texan glassblower named Will Menzies.  Will partnered with Dave Daily, GRAV’s founder, to rebrand the V-Tech hand pi...

GRAV sources most of our raw materials and finished products from a factory in China, with whom we’ve worked closely for years. We consider the glass artists there to be part of our family, and we’...