Whether one is suffering from cardiac or respiratory arrest this mask can be used to safely deliver rescue breaths and save lives. The included one way valve ensures the protection of the first responder from a patients potentially harmful bodily fluids. It gives the responder use of both hands to ensure a better seal and enables the use of jaw thrusts in cases of spinal injury. Benefit from the convenience of a more mobile and storable device than a bag valve mask. 8 units per case. Item # 321397.