Straight Tube Bongs are a type of scientific glass water pipe or dab rig that have a certain shape. Straight tube bongs contain a simple but effective straight design from top to bottom and usually contain a diffused downstem for percolation. Tubes are the most common and popular style of bongs for their ease of use and simplistic designs. Straight tubes bongs are also very easy to clean because of their shape and minimalistic features and percs. We carry a wide variety of straight tube water pipes that feature both traditional diffused downstem designs, as well as stemless bongs with extra percs. Order online.