Features

Helps develop, improve and maintain respiratory fitness.
Large volume measurement up to 5000mL inspired air.
It allows to see the progress toward improving the respiratory volume.
Good – Better – Best: flow-window.
Advanced, low work-of-breathing filter design.

Specification

Come with 5000 ML -2500 ML
Adult and pediatric.
Clear graduation.
Compact design.

Packing

Packaged 12 per case.