H2O | 21" Straight Tube Percolator BongThe H2O 21 inch Straight Tube Percolator Bong is a towering beast handblown from thick, high quality glass with beautiful craftsmanship. The Halo Percolator diffuses and cools your smoke for the cleanest hits possible. The smoke passes through the small openings, creating bubbles and increasing the surface area of the smoke exposed to the water. This perc bong has an ice catcher design as well, so throw in some ice for extra cool hits. The thick bowl