Fisher & Paykel Healthcare is a company that designs, manufactures, and markets products for use in respiratory care, acute care, and the treatment of obstructive sleep apnea. It offers respiratory humidifiers, single-use and reusable chambers and breathing circuits, infant resuscitators, infant warmers, and accessories. In addition, the company provides humidification systems for use in surgical procedures to condition dry carbon dioxide gas to normal physiological levels of temperature and humidity.