We come in peace! These UFO Vortex Water Pipes from Hemper feature a UFO abduction design, complete with a levitating cow, and built-in venturi inlets that create a vortex of smoke when taking a hit. Available in two sizes, the Large size is fitted with an inline percolator, while the Extra Large size has a large, wide showerhead perc and comes in various colors. Large pipes measure 7 inches (17.8cm) tall and Extra Large pipes measure 10 inches (25.4cm) tall. Includes a 14mm male herb slide.