Large Gravitron

Made from durable, heavy-duty 5mm borosilicate - Closed system keeps smoke contained and conserves bud - Platinum-cured silicone grommet protects glass touchpoints - Sleek design is super easy to clean - Includes a 19mm Funnel Bowl The world's first all-glass gravity bong. The Large Gravitron® takes the gravity bong out of the dorm room. With this classic design, gravity and pressure work together to give you huge, efficient hits. But unlike homemade grav bongs fashioned from soda bottles and buckets, this sleek glass gravity bong keeps things clean and classy. Since its original 2004 relea…