Antidote Glass 18 inch Ripper Bongs are made in the U.S.A. from quality boro glass and offer classic diffusion. Each water pipe stands approximately 18 inches tall with a removable 14/18mm diffused downstem perc, 14mm flower bowl, with a straight or beaker base water chamber. The classic design with added diffusion and three ice pinches make a perfect daily driver for any weed smoker. Handmade in Southern California Antidote glass produces glass for good causes. Proceeds from Antidote Glass bongs and water pipes go to life-saving causes such as cannabis cancer research programs.