For a mid-sized, smooth-hitting bong with maximum percolation, you can't go wrong with the Six Arm Scientific Bubbler by Ben Wilson Glass. The newly redesigned classic bubbler features a disc-shaped mouthpiece combined with a compact water chamber. The reinforced fixed downstem includes a 6 Arm Tree Perc with one diffusion slit per arm for increased filtration, resulting in a super smooth hit every time. A matching 14mm Clear glass disc screen slide is included. This cheap and American Made bong offers simple elegance and extreme functionality, shop our selection of Scientific and Heady glass from B. Wilson at Aqua Lab Technologies today.