Por un escritor de hombre misterioso
POWERbreathe Classic - This is the 1st generation POWERbreathe Inspiratory Muscle Training series (breathing training).
♦ Drug-free & natural with no side effects or drug interactions ♦ Scientifically proven, pressure threshold training technique ♦ Calibrated inspiratory load (light resistance) ♦ Adjustable ‘light’ training resistance (up to 9 adjustable training levels) ♦ Resistor / training level indicator ♦ Fully washable design
POWERbreathe Classic Light Resistance (Wellness), Inspiratory Muscle training
POWERbreathe Medic
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