Dynarex MPR Bags are designed to initiate resuscitation and life support during the possibility or cardiopulmonary arrest. These MPR Bags offer a clear housing allowing for easy visualization of patient valve and a design and texture allowing for easy grip and manageability. Single-patient MPR Bags have a clear housing which allows for visualization of patient valve 10 ft. (3 m) of oxygen tubing Bag design and texture facilitates grip and manageability Quality components combine to provide a wide variety of configurations Flow rates are adjusted according to patient needs - oxygen concentrations of 100% are desired, but less may be achieved due to different factors, which may include improper mask fit or inadequate flow rate.