Buy Phantom Accessory strength training at Europe's No. 1 for home fitness

Altitude training for stimulating the production of blood cells without a altitude chamber? ItÄs no problem with the Phantom training mask. Using the Phantom training mask, you breath against a resistance during the training. It trains your muscles of respiration and improves the lung function. Due to the complicated oxygen supply, the body responds with the building of red blood cells, which are responsible for the transport of oxygen.