This piece features sleek and clean clear glass that allows you to watch this concentrate rig or water pipe function. Clear glass allows you to watch the bubbles stack as your smoke/vapor percolates
This pipe features a deep bowl to allow for a large amount of dry herbs or tobacco to be packed at one time
The downstem is a glass tube that funnels smoke from the bowl towards the bottom of the bong. This specific type of downstem is fixed into the joint and functions as a perc by distilling smoke with its slits or holes.
Scientific glass means this pipe is made from clear borosilicate glass. It features a “laboratory” design, and usually an overall shape that resembles scientific equipment (glass beaker chambers, straight tubes, etc.)