Clear and concise 11″ straight tube rig from Roor Tech . Featuring a fixed bullethole diffused downstem , which leads out at 45 degrees to a 14mm. female fitting that includes the 14mm. female Roor quartz domeless nail. Percolation in the second level consists of a barrel-perc diffuser which is capped of with a splash guard above in the smaller diameter mouthpiece top segment.