For use with:
- PR System One 50 series Heated Humidifier
- PR System One 60 series Heated Humidifier
- PR System One 60 series Heated Humidifier with Heated Tubing
COMPATIBILITY: Two versions of the PR SystemOne Heated Humidifier were produced by Philips Respironics. If you’re using the newer 60 SERIES Humidifier choose the option with the GRAY lid. If you’re using an older 50 SERIES Humidifier or if you’re uncertain of which chamber lid you require, select the option for the CLEAR & GRAY lids in your shopping cart.
SYSTEM ONE 50 & 60 SERIES HUMIDIFIER DIFFERENCES: The newer 60 SERIES SystemOne Heated Humidifier includes the words "SYSTEM ONE" embossed on the top of the humidifier unit and have dark gray side panels; older 50 SERIES Heated Humidifiers did not include any wording on the humidifier unit and have light gray (ivory) colord side panels.