O-Two is a world leader in controlled ventilation solutions with state-of-the-art engineering for emergency medicine. O-Two offers automatic electronic and pneumatic ventilators that are compact, yet effective for resuscitation and patient transport. Additionally, O-Two has a full selection of ventilator accessories like circuits, batteries, and more. For acute care response, O-Two also offers a range of full-size and pocket-size bag valve masks, with optional CPR timing lights. O-Two adds its ventilation expertise into a line of CPAP masks, and cushion anesthesia masks, along with oxygen tank pressure regulators, flow meters, and demand vales. QuadMed has a full range of high-quality O-Two breathing and respiratory supplies and equipment designed to meet the needs of emergency medical teams and their patients.