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1.The item has a ventilation tube with one-way valve. | ||||||||
2.The CPR Mask be packed in a Keychain bag. | ||||||||
3.It is compacted in shape, can be placed into any first aid kit and carried easily. | ||||||||
4.It will low resistance unidirectional valve and water filter are combined to block fluid and secretions, valves and filters together played a barrier to rescue personnel and sick isolation. |