1. Self adjusting - to most water cups. (3, 4, 41/2, 5, 6, 7, & 8 oz. Flat paper & plastic cups and 4 & 41/2oz. Rimmed & rimless cone cups)
2. Height of dispenser is 171/4". (taller than other cup dispensers)
3. Be available with optional brackets, ie flat, scalloped, round, magnetic and inclined ones.
4. Use PC tube. PC is more transparent and sanitary, not easy to cause scratch like PVC.
5. Use three prongs to ensure each time pull one cup.
6. Use metal prongs which can not be broken.
7. Use unique patented design of prong which do not need rivet and screw to assemble.