The Medium Upright Bubbler Bong by Texas-based glass company GRAV. This 7" can shape mini bong includes a flared foot base with an angled mouthpiece and is handblown from 44mm glass tubing. The bubbler’s fixed 2-hole downstem perc diffuses your smoke inside the water chamber. This mini bubbler includes a cup flower bowl with a single Maria attached for easy handling and works best with about 2" of purified water inside the chamber. Black glass highlights the water pipes perc, base, and mouthpiece.