Grav Empress Water PipeGRAV Grav, hands down are the masters of glass, scientific producers of glass if you will. A global reputation that is hard to surpass. Built to last, highly functional and as gorgeous as glass can get. Those in the know only and always use Grav glass. When Grav makes a water pipe dab rig they know what they are doing. Built strong for a smooth and easy session. Oh, and so they dont break easily either. EMPRESS ONE CLASSY LADY A rather elegantly