Hey There, In order to be compatible for our Gravity Water System - Dispenser Model the cooler must meet a few requirements: Relatively flat top, for the Gravity Water System to sit on. They must have a removable bottle collar. Once the bottle collar is removed, there must be at least a 6 inch void space remaining, in order to accommodate the Float Valve. Please visit our production information page for a list of compatible coolers and for more details on our website!
