The Classic Beaker Double Stack is Prism's version of the classic beaker single percolator bong, and let's face it, it's beautiful. It comes with a Standard Mouthpiece, Big Tree Perc, 7mm Beaker Base, a clear downstem and 14mm bowl, and two Black Halo connectors. With our custom bong system, it's easy to break it down for ease of cleaning, part replacement, switching it up, and throwing in a backpack for an adventure.
- Beaker Base Thickness: 7mm
- Mouthpiece and Percolator Thicknesses: 5mm
- Overall Height: 20"
- Tube Diameter: 2" (mouthpiece) 2.5” (percolator), & 6” (base)
- Bowl Joint: 14mm female
- Downstem Joint: 18mm female