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.
1 Do not forget that the more days you rent the pressure washer, the cheaper the daily rate is going to be. 2  The cost to rent a pressure washer often ranges from $50 to $100 depending on the specifications of the pressure washer and the agreements that you have made with the renting company.