pocket masks key chain masks bag valve mask Nowadays, more and more people are getting interested for CPR courses and BLS courses, so that they can help their near ones at the time of emergency. Earlier only the professionals associated with the healthcare field used to take these trainings. However, nowadays, nonprofessionals, including homemakers and even students are opting for these courses. If you are also interested to get the training, you are always recommended to know about the kits that are used for applying the training. Though different kits are used for this type of works, masks are very important. Generally, there are three barrier devices for this work, viz. pocket mask, key chain mask and bag valve mask. Pocket Mask- Also known as pocket facemask as well as CPR mask, this device is a popular choice of the professionals while delivering rescue breathe to someone, who has experienced cardiac arrest. These can also be used by the non-professionals too ...