Amazon.com: Primacare KC-1010 CPR Rescue Mask Resuscitation Kit for Adult & Child with a One-Way Valve Mouth to Mouth for supplemental Oxygen] Wall Mount/Carry Case Included : Health & Household
Mouth-to-mouth resuscitation mask - Laerdal ™ - Laerdal Medical - CPR / with unidirectional valve
Amazon.com: ifory 50 Packs CPR Pocket Mask Keychain, CPR Face Shield with One Way Valve Breathing Barrier for First Aid or ADE Training : Industrial & Scientific