Clarifications and features: * Made in the United States with imported American parts. * Exclusive oxygen sensor for Devilps with every device which increases the accuracy and reliability of the device for longer working periods. * Works with remarkable quietness - 15% improved sound. * Easy and open patient control and tight cannula installation. * Two-year commercial service. * Hollow chamber for humidifier, which prevents damage. * Two-piece compartment that is easy to assemble and disassemble for maintenance. * Installable flow meter - children flow meter available. * Handles on the top and sides for easy portability. * Fit for connections up to 50 feet (15.3 meters). * Three year guarantee.
