The listing, American Diagnostic 4053 - CPR Valve Mask Pocket Resuscitator has ended.
Feature High efficiency and low resistance one-way valve minimizes the possibility of cross-contamination. 15mm O.D. connector can be attached to any standard ventilation and oxygen equipment. For use on adults, and inverted for infants/children. Ergonomically shaped mask with soft-air cushion for leak-free performance, easy grasp, and patient comfort. Disposable filter to avoid cross contamination. Elastic green strap to keep mask in-place on patient. Single patient use. Latex-Free. I have these everywhere around the house and at least 2 in the car you never know when or where you may need these.