The Calyx, named after the protective layer that surrounds a flower in bud form, was designed with comfort in mind. The NEW mouthpiece shape with added percolator for moisture conditioning, puts ease of use & effectiveness together in one compact piece. At a fraction of the cost of our high end HydraTubes, the Calyx is a great way to start your Vapexhale journey. Easy storage - great for travel! Stands 7.5 in tall with "Circ" style percolator.