Perfect hits in a convenient size. This is ultimate travel friendly glass piece. A shower head diffuser is encased in a matrix percolator allows the most beautiful explosions. A thick base provides exceptional support. The joint is 14 mm male. The traveler stands 6.5'' inches tall and is an excellent flavor saver. Showerhead Diffuser Thick ball for 14 mm female Joint 6.5'' Inches Tall Compact and Portable