The UFO Perc to StemLine Perc Straight Tube Bongs from Southern California based Zob Glass are quality handblown water pipes made from thick, borosilicate glass. These bongs feature two chambers, first the StemLine diffused perc and then the upper chamber UFO Perc. Included is a 18mm one hole funnel bowl with Maria handle. The dome splash guard and three ice pinches make this bong a perfect daily driver for any pot weed smoker or glass collector. The price and function of these Zob Glass make them ideal for a daily driver bong.