Vortex Perc bongs are one of the most fun and unique percs around, as these will quickly spin all the water passing through and create a vortex or whirlpool effect in the main chamber. Vortex, or turbine percs are flat discs with angled slits in them , and are often used in conjunction with other percs to provide a truly smooth hitting experience. Shop the best of our vortex and whirlpool style bongs now!