The pre-wash neutralizes any pre-existing odors from detergents, and removes any residue from the manufacturing process that could react with activated oxygen.
The SoClean is an automated CPAP/BiPAP equipment cleaner and sanitizer. With SoClean you can sanitize and disinfect your mask, hose and humidifier chamber without nee ding to take any pieces apart every day. The machine does not require water or any messy chemicals. Your equipment remains completely dry.