All of our standard bottles contain a special cap that is compatible with all water coolers, crocks, and dispensers on the market. Our water cooler is $12 a month and our bottles are $12 each. The water cooler can only be ordered with recurring delivery service. Bottle price does not include the water for first fill up. We are also able to get many specialty bottles, sizes, water tanks, and additional accessories upon request. Please let us know if you have any special requests or circumstances and we will do our best to accommodate you!