Volume control Breadcrumb Home volume control Products Breathing Exerciser TRI-BALL® TRI-BALL® encourages the patient to achieve a maximum prolonged inhalation. It improves the sustained maximal inspiration (SMI) by training. Show product info Incentive Exerciser SPIRO-BALL® SPIRO-BALL® Incentive Volumetric Exerciser is indicated for recovering post-operative normal breathing and for preventing respiratory diseases. Show product info
