CPR facemask with a one-way valve and directional diaphragm to prevent back flow of air or contaminants from patient to rescuer. Clear plastic, designed to fit adult or child. Soft inflated cuff with a clear dome for inspection of patient. One-way valve will fit to resuscitator. Oxygen port as standard. Folds into pocket sized case. Neon yellow case for easy recognition. Head strap. Replaceable bacterial filter