Manufacturer # 1063785 Manufacturer Respironics Application Replacement Water Chamber For Use With For Respironics System One Humidifiers Specifications 1-1/3 Cup Capacity UNSPSC Code 42272213 Features Designed to work with any Respironics PR System One 50 Series Humidifiers or Respironics PR System One 60 Series Humidifiers humidifiers, this water chamber was developed to improve the humidity from your Respironics CPAP Machine Humidifiers Easy to open, this chamber can be easily cleaned and stores over a full cup of water improving your CPAP performance The amount of water used will be different depending on the patient and the machine and should be changed daily with distilled water for best results Humidification can help relieve potential congestion that can occur during CPAP use 1 Each / Each