Turbine Percolator Bong
The Perfect Pipe
This sturdy Grav Labs 7" double layered circuit rig is perfect for all your essential oil or herb needs. It features two puck shaped chambers and 90-degree angle bent neck that acts as a splash guard. The 14mm stemless joint is connected to the lower chamber by two angled tubes which creates a powerful turbine jet percolator effect which forces the water to bounce off the walls of the lower part of the rig, ensure a cool, clean hit every time.