Ganjavibes | 17" Double Stacked Tree Perc Glass BongGanjavibes 17" Double Stacked Tree Perc Glass Bong Big Tree Energy Standing tall at 17 inches, the Ganjavibes Big Double Stacked Tree Perc Straight Tube Bong doesnt just look seriousit is serious. This beast was built to shred harshness and turn your smoke into silk with not one, but two stacked tree percolators. Thats double the diffusion, double the smoothness, and double the damn, that hit clean. Crafted from ultra durable 9mm thick borosilicate