The UPC heavy wall beaker base water pipe is the most perfect beaker base bong on the market. It's variety of height and wall thickness is what makes it so appealing. Choose from 14, 18, or 24 inch height and a selection of either 5mm or 7mm wall thickness. Made in the USA from high quality borosilicate glass for durability and quality. Featuring a 18mm to 14mm removable diffused downstem with a marbled male bowl. The neck features an ice catcher for the use of ice cubes to cool down the monstrous rips these tall bongs create. A classic beaker base and 50mm diameter tubing gives it the authentic UPC scientific glass feel and look.