Frost - Spiral Tribe - Spiral Perc Glass Cylinder Ice BongThis Frost straight cylinder bong features a clear spiral perc with piercings in the tube for cooler, smoother smoke! It has a round, stable base, an 18.8mm joint and downstem with an 18.8mm funnel bowl included, and ice nothces int he tube. It's a great bong if you want glass and percolation but don't want to spend a small fortune! The Frost logo is applied in color.