LifeVac Portable Home Kit -First Aid Anti-Choking Device for Adult and Children,

Never expires: No need to replace the device unless it is used to save the life of a choking victim. Only the masks need to be replaced every 2-3 years. Ease of use: Designed to be easy to use. Model: A/B/C: 1 Check valve + 1 Children's mask + 1 Adult mask; D 1 Adult mask, E 1 Children's mask, F/G 1 Breathing Trainer(Optional).

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