The present technology relates to a device and method to provide distilled water in pre-filled, disposable containers for use with humidifiers in assisted breathing units, such as continuous positive airway pressure (CPAP) devices. The technology also relates to methods for delivery of medications and inhalational and/or aromatic therapies through heated hydration chambers in CPAP devices and/or through nebulizers to be used to hydrate air in conjunction with CPAP devices. The present technology further relates to convenient multi-packs of pre-filled, disposable water containers to be provided in conjunction with CPAP devices.