Preemo - U-Shape Percolator BeakerHorizontal u shape percolator beaker with color glass mid section. This is a 7mm thick one piece water pipe that comes with ice pinches and a unique perc with a splash guard that prevents water from entering the neck piece. The smoke passes through the tube and bends back down before exiting the diffusion slits through the ice pinch to give you smooth toke U shaped percolator Open ended down stem Thickness: 7mm Base diameter: 140mm Colors: black blue