Philips Dreamstation BiPAP Pro FLOW GENERATOR ONLY Brand/Manufacturer: Philips Respironics GTIN: 606959022492 Mode of Operation: BiPAP Machine with Bi-Flex Special User Features: Bi-Flex Pressure Range: 4-25 cm H2O Ramp Time: Standard Ramp User Adjustable 0 to 45 Minutes Starting Ramp Pressure: 4 to Minimum Therapy Pressure Filters: Reusable Blue Pollen Filter, Disposable Light-Blue Ultra-Fine Filter Device Set-up: Color LCD, Ambient Light Sensor Data Storage Capacity (Min): SD Data Card Data Storage Content: On Screen Sleep Report, DreamMapper App (Optional) Altitude Compensation: Automatic Up To 7500 Feet Sound Level: 25.8 dB(A) with an uncertainty of 2 db(A)