San Jamar C3165WH Medium Pull Type Water Cup Dispenser, Fits 4 to 10 oz Cone and Flat Bottom Cups, 16" Tube Length, White Self-Adjusting Dispenser  Securely holds medium 4 - 10 oz. flat-bottom and cone water cups eliminating the need for various sizing rings Sanitary Flip Caps  Gravity-fed top loading design with flip caps allow for easy refilling while protecting against environmental contaminants Easy Mounting  Attaches to most wall surfaces and coolers freeing up counter space for convenient and organized dispensing