This basic hammer bubbler design from Grav Labs includes a push bowl and X cut diffused downstem. The sturdy 32mm Basic Bubbler comes in an assortment of colors.
This approximately 3 inch glass hand pipe may be small, but it packs a punch. Additionally, it comes with 2 feet to help the piece stand upright and deter it from rolling over.
Grav Labs is a US designer, manufacturer, and distributor of some amazing high quality scientific glass bongs, dab rigs, bubblers, hand pipes, and much much more. They were founded in 2004, in Austin, Texas and are known around the world for their quality pieces. Grav is easily one of the most respected names in the glass industry, and their product quality, design, and functionality are a clear indication as to why.