50 Pack - Practice CPR Training Valves - Fits All Adult Child and Infant Training Rescue Masks – Individually Wrapped Valve auspowers_batchthree similar in technology to home

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50 Pack - Practice CPR Training Valves - Fits All Adult Child and Infant Training Rescue Masks – Individually Wrapped Valve auspowers_batchthree similar in technology to home50 Pack Practice CPR Training Valves Fits All Adult Child and Infant Training Rescue Masks Individually Wrapped Valve 50 VALVES PER PACKAGE: Contains 50 valves per package, not including a rescue mask. The training valves are single use only and must be discarded and replace the mask's original valve and filter assembly after training Product Features INDIVIDUALLY WRAPPED SINGLE USE CPR TRAINING VALVE Use as a replacement for the CPR Masks (Adult,