This drip tray is of the surface mount variety which is ideal for setting up under your beer tower to catch drips and over pouring as well as cleaning your glasses and pitchers. This model has a 3/8" drain that comes with a 3/8" brass drain nipple, 3/8" nut, and 3/8" washer. It also features a 4.5" spray glass rinser, enabling you to easily clean your beer glasses quick and easily. The rinser outputs to a 1 3/4" shank that comes with a 5' hose and attachment that has an OD of 3/8" and an ID 1/4". In addition it is designed to be able to easily remove the tray, making cleaning a breeze.