The balloon certified NF Standard: it has a very precise volume, 1,3 liters, so that the user has to reac, in only one breath, the air contained in lu..
The balloon certified NF Standard: it has a very precise volume, 1,3 liters, so that the user has to reac, in only one breath, the air contained in lu..
The balloon certified NF Standard: it has a very precise volume, 1,3 liters, so that the user has to reac, in only one breath, the air contained in lu..
The balloon certified NF Standard: it has a very precise volume, 1,3 liters, so that the user has to reac, in only one breath, the air contained in lu..
The balloon certified NF Standard: it has a very precise volume, 1,3 liters, so that the user has to reac, in only one breath, the air contained in lu..