Specifications of the Devilbiss BiPAP ST device: The BiPAP (Sleep Cube Bilevel ST) is a dual-pressure artificial respirator. It is used in cases of sleep apnea, respiratory failure, and deterioration of chronic obstructive pulmonary disease. The BiPAP ST features the integration of two operating modes: T Mode: It delivers a specific number of breaths per minute. S Mode: It senses the user's spontaneous inhalation, increases airflow pressure to assist the user, then reduces the pressure to allow the user to exhale spontaneously. The device senses the seal of the face mask and the possibility of user snoring. The device senses the patient's apnea episodes and adjusts the airflow pressure. The device also operates using the standard CPAP system. The Bilevel ST device features a high-resolution and responsive LCD screen. The device generates reports and graphs that can be viewed on a computer using the SmartCode software. The device stores details of the last 90 days of use. The device alerts the user to change the air filter when necessary. The IntelliPAP Auto Bilevel device features a modern, easy-to-use, and low-noise design. The device does not include a face mask. Device dimensions: 10.8 x 16.5 x 17.8 cm. Device weight: 1.2 kg. Brand: Devilbiss.