Freeze Pipe Bubbler

The Freeze Pipe Bubbler is a hammer-style bubbler that includes a freezable, glycerin-filled chamber that securely snaps onto the bubbler base. Located inside the bubbler is a 6 arm tree perc for efficient water filtration.    Attachable glycerin chamber for shockingly smooth hits  6-tree arm percolator provides maximum filtration  Smoke is cooled and filtered first through water percolation and then through the frozen glycerin chamber  High-quality borosilicate glass  18 mm bowl size   What is Glycerin? Glycerin is a gel-like liquid that is able to reach freezing temperatures quicker and stay cold longer than ice without freezing solid and cracking the glass. It is housed in a sealed chamber so it won't melt like ice in a regular ice pinch piece where it then trickles down and overfills the percolation chamber. It's completely safe, non-toxic, and typically found in food and sweeteners.  How to Use Freeze Pipe Glycerin Chamber  - Place the glycerin chamber in the freezer