GRAV Spherical Pocket Glass Bubbler Versatile, portable, and perfect. This Grav bubbler pipe is the best option for those looking for a range of uses and convenience. The pocket bubbler comes ready to fit in your hand and travel on-the-go. Aesthetically pretty, it has a smooth globe shape and direct mouthpiece. The bubbler chamber adds the right amount of water filtration for strong clean hits.  The Grav Spherical Has 10mm female joint and comes with matching herb bowl. The bubbler pipe does so much more than just hold herbs. It can be fitted with a Grav 10mm 45 degree male banger to become the perfect portable dabbing rag. From here it can also be used in conjunction with a pre-rolled joint or blunt like a traditional bubbler. With many uses and sturdy construction it is easy to see why this bubbler is a favorite among smokers with raving reviews.  Why Choose a Grav Bubbler Pipe? To put it simply Grav is a company that came about from fellow cannabis enthusiasts. Their innovations and ideas have brought some of the most known and quality glass products like; pipes, bongs, rigs, and bubblers, to the market. World of Bongs is happy to be partnered with this brand and offer their products to marijuana lovers around the world.