Photo 1 of BIG BREATHE S-IMT | Compact Inspiratory Muscle Trainer for Lung Strength & Endurance | Adjustable Resistance Breathing Trainer for Athletes, Fitness & Respiratory Health

Double tap image to zoom

Photo 1 of BIG BREATHE S-IMT | Compact Inspiratory Muscle Trainer for Lung Strength & Endurance | Adjustable Resistance Breathing Trainer for Athletes, Fitness & Respiratory HealthPhoto 2 of BIG BREATHE S-IMT | Compact Inspiratory Muscle Trainer for Lung Strength & Endurance | Adjustable Resistance Breathing Trainer for Athletes, Fitness & Respiratory Health