Voldyne 2500 Volumetric Exerciser (8884719025)
Volume measurement up to 2500 mL accommodates smaller inspired volumes. Good - Better - Best flow window. Adult mouthpiece. Advanced, low work-of-breathing design. Built-in handle.
Volume measurement up to 2500 mL accommodates smaller inspired volumes. Good - Better - Best flow window. Adult mouthpiece. Advanced, low work-of-breathing design. Built-in handle.