[Simple to Use] Helps develop good habits and no more dirty cups in the house. Every time you drink wine, beer, milk, juice, sparkling water, soda, water, it is very convenient and practical to rinse. [Quick Cleaning] Put and press the cup upside down on the rinser, and it can be easily rinsed in seconds. [No Brush Needed] High-pressure water flow can rinse the corners of the cup very clean. Makes kitchen countertops neater. [Easy Installation] Easily connect the water pipes through the preset holes in your sink. Simple installation. Mounting Hole Diameter: 2.2 cm. Material: ABS Plastic (Water Pipe and Diverter Valve Not Included)