Philips Respironics System One Water Chamber Features:

• Compatible With Three Different PR System Humidifiers
• Improvements Include Color–Coded Lids and a More Visible Max Fill Line
• Ultra–Easy Maintenance: Safe for Dishwasher Use
• Works With Three Different PR System Humidifiers

This product is designed for use with the following humidifiers:

• PR System One Heated Humidifier
• PR System One 60 Series Heated Humidifier
• PR System One 60 Series Heated Tube Humidifier

Each kit comes packaged with the universal chamber bottom and two lids to accommodate three different humidifiers within the PR System One line of equipment:

• PR System One Heated Humidifier = Clear Lid
• PR System One 60 Series Heated Humidifier = Gray Lid
• PR System One 60 Series Heated Tube Humidifier = Gray Lid

A new version of this humidifier chamber has been released with a more clear max fill line, as the previous version wasn’t as easy to discern. This product is the replacement chamber only.