The Bud Spiral Percolator Bong features a stunning spiral percolator that filters and diffuses your smoke. Crafted from borosilicate glass, this beaker-base percolator bong delivers smooth hits. The vertical spiral percolator guides smoke upward through the central column and down spiral arms, filtering it through water for the purest taste. A dome percolator at the top provides additional diffusion for unmatched smoothness. Includes a diffusor downstem and cone piece for immediate use.