We've got a large selection of scientific borosilicate glass and silicone water pipe bongs that are unique in every way. There are compact and thick/heavy glass bongs that come in many themes, shapes and sizes. Brands include Diamond Glass, Biohazard, Icon Glass, Crystal Glass, Apollo, and more. Percolators include diffused downstem, hammer, matrix, tree, inline, showerhead, and many more. All of these bongs can be modified to add a quart banger or an ash catcher for superior smoothness!