Inline percolators are generally a long cylinder with slits. These are generally excellent for making a large number of bubbles. Built of 4-millimeter-thick borosilicate glass, this beaker bong is fairly resilient, but you may want to spend money on a bong foundation protector like a beaker sneaker for extra security. https://milorpkfy.blogolize.com/5-easy-facts-about-percolator-bongs-described-67731158