This is the replacement water chamber for the built-in heated humidifier of the Fisher & Paykel Sleepstyle CPAP machine series. It is recommended to use distilled water in the reservoir tank to prevent a corrosive build-up of calcium and lime which can develop with the use of standard tap water. Water chamber only, lid seal and machine sold separately.
For disinfection purposes of cleaning uses one part vinegar with four-part water. Fisher & Paykel Sleepstyle Water Chamber Lid Seal, 900SPS101, is not included with the water chamber but is required for use of the Sleepstyle CPAP machine.