Training mask 2
Training mask 2 is a improvement in design and operation of the training mask 1 training mask asked all customers of the training mask 1 with all the market testing they went through they have now made the training mask 2 strong lighter and more comfortable for all users age requirement of user 16the training mask is a respiratory training device that is small soft and comfortable mask that will reduce the amount of oxygen intake to your body training masks multi level control technology