Rock Glass 16″ StormCell BongThe StormCell features a two stage percolation design inspired by high end scientific glass: Lower Chamber StormCore Perc The visually captivating, textured orb perc sits in the base chamber. Its multi point diffusion breaks smoke into micro bubbles, generating a turbulent yet smooth storm effect. Upper Chamber Vertical Drum Perc The top chamber provides the second wave of filtration, ensuring every inhale is cleaner, cooler, and easier on the throat.