Respironics

Tri-Med Medical Supplies sells Respironics products including circuits, face masks, holding chambers, exhalation valves, and vent filters. 

Respironics http://www.respironics.com/product_library provides products including stationary and portable oxygen solutions, ventilators, respiratory drug delivery, pulse oximetry and airway clearance devices designed to help with the entire patient care journey from hospital to home.