San Jamar C4180 Small Pull Type Water Cup Dispenser with White Sand Throat, Fits 3oz to 4-1/2oz Cone and 3oz to 5oz Flat Cup Size, 2-1/4" to 2-7/8" Rim, 16" Tube Length, Bronze Self-Adjusting Dispenser  Securely holds small 3 - 3.5 oz. flat-bottom and 3 - 4.5 oz. cone water cups eliminating the need for various sizing rings Hidden Hardware  Dispensing clips and mounting hardware are concealed for an elegant presentation Transparent Tube  Plastic dispenser housing allows quick visual monitoring of cup levels 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