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.
Cost to Install a New Water Softener or Purifier. The installation price of your new water treatment system may vary from $171 to $517 in the U.S. and is affected by the type of system you have selected, the location for the equipment, and the condition and accessibility of your homeâs plumbing at the installation site.