Romsons SH-6082 Respirometer

Key features of Romsons Respirometer SH-6082:
Innovative system to excerise respiration through inspiration.
Specially designed with 3 stage chambers to provide more efficient excerise to patient at a step up basis.
Device is composed of base & central part divided into three chambers containing three small spheres different in size & colour.
Three spheres rise proportionately to the inspiration exerted.
Innovative design, can be dismatled into parts for cleaning & disinfection.