Classic Mathematix Glass Straight Tube Bongs are quality handblown water pipes made from thick, borosilicate glass. These bongs feature a classic removable diffused downstem perc and a 14mm one hole funnel bowl. The affordable price and classic straight shot design with added diffusion and 3 ice pinches make this bong a perfect daily driver for any weed smoker or glass collector. The price and function of these Mathematix Glass straight tubes make them ideal for a daily driver bong.
This is a truly no frills best functioning tube I have ever owned. Will definitely be purchasing an 18" when back in stock. Everyone should own one. I don't know if my terminology is correct but the fluted downstem is the best part of this tube. Super easy to clean as well.