Supermax (short for: super-maximum security) is the name used to describe control-unit prisons, or units within prisons, which represent the most secure levels of custody in the prison systems of certain countries.
Consumer Complaints and Reviews. Outrageously expensive for services not provided: $690 - the cost to purchase your own, high-quality softener and RO filtration plus 1 year of filters and salt. $5,770 - the cost of a 3-year contract with Culligan to rent their basic softener and RO filtration with service.
When you rent a water cooler or dispenser, you have to buy the water to use with it Then you pay extra for hot and cold water. That can run as much as $30 to $50 per month. Or you can get the actual bottle from us for $15 and refill it for $2 or so from the local grocery store.