POWERBREATHE

pressure threshold respiratory muscle trainers for non-medical use, namely, a respiratory device which incorporates a pressure meter for use in adjusting and measuring breathing difficulty levels, for exercising the breathing muscles in order to improve their performance, and parts therefore

pressure threshold respiratory muscle trainers for medical and diagnostic use, namely, a respiratory device which incorporates a pressure meter for use in adjusting and measuring breathing difficulty levels, for exercising the breathing muscles in order to improve their performance, and parts therefore