Hans Rudolph. Our product line is very specialized and its market area is very diversified. A typical user list would include Sports Medicine, Hospital Respiratory Care, Pulmonary Function Testing, Metabolic Measurements and Nutritional Assessment, Speech Studies, Teaching Institutions, Pharmaceutical Industry, Government Institutions, Rehabilitation, Veterinary Research, Non-Invasive Ventilation, Sleep Lab and Home Care (CPAP), Biomedical Engineering, Nuclear Medicine, Anesthesia, Human Performance Laboratories, and Physiological Human/Animal Research.