Sized for use on adults and children, the clear mask allows the rescuer to position it properly and monitor the victim. The oxygen inlet increases oxygen delivery to the patient. The soft, pliable bladder ensures a secure seal. Mask can be used with the standard one-way valve for rescue or with the CPR Practi-VALVES during CPR manikin training. The CPR Resuscitator Mask is 100% latex free. Comes complete with a one-way valve with filter, one set of nitrile gloves, and one alcohol prep pad.