This is the dry box seal and inlet seal for the PR System One Heated Humidifier and the updated PR System One 60 Series Heated Tube Humidifier with Heated Tube by Philips Respironics. The dry box seal and inlet seal help to isolate the humidifier's water source, ensuring against water damage.
The inlet seal is used to connect the humidifier to the CPAP machine and the dry box seal connects directly to the removable water chamber.
One dry box seal and one inlet seal is included with this purchase.
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