This Philips Respironics replacement Dry Box Inlet Seal is an oval-shaped gasket that fits over the interior of the Dry Box Assembly on all DreamStation CPAP & BiPAP Heated Humidifiers.
The Inlet Barrier is installed on the interior of the DreamStation Humidifier's Dry Box Assembly to form a tight seal between the Dry Box and the Water Chamber (Tank). It must be present at all times when the humidifier is operating.
This is NOT COMPATIBLE with Dreamstation 2 devices.