his scientific glass bong from Nucleus look exceptional, it provides unrivaled icy cold rips from a detachable & freezable glycerin coil tube at the top. The Nucleus Glycerin Coil Bong has a stable flared base that holds a pill-shaped chamber equipped with a gridded inline percolator for refined filtration right from the start. Made from super thick borosilicate glass. Blizzard series premium glass bongs are asian hand crafted.