2 in 1! Comes with a regular glass bowl for dry herb and a oil dome bowl with nail for concentrate tobacco products. Features:Stemless design. About 4mm glass thickness. Splash guard design. Shower head design. Joint size of 19mm. Comes with a regular glass bowl for dry tobacco use and a separate set of a nail and dome bowl for oil tobacco. The shower head perc is what makes this water pipe really unique. It has about 32 diffuser slots in the showerhead perc area. The tiny slots in the disc forces the smoke to be diffused. Diffused smoke means nice and cooled off smoke for a smooth hit. This pipe also features a splash guard to prevent water from splashing on you whilst smoking. The pipe is a stemless design and the 19mm joint is a male end and can accommodate any female bowl. It already comes with a dry herb bowl and also includes a nail and dome bowl! Get the best of both worlds for a low price!