Exerciser Spirometry Training Breathing Surgical Rehabilitation Lung Function Specification: Material: PPColor: BlackPackage Weight:

Specification: Material: PPColor: BlackPackage Weight: approx

Fish tank shelter ornament has a unique shape

Lampshade material: PC

and the cat can eat

Exerciser Spirometry Training Breathing Surgical Rehabilitation Lung Function Specification: Material: PPColor: BlackPackage Weight:3 Balls Exerciser Spirometry Training Breathing Training Surgical Rehabilitation Exerciser Lung Function Improvement TrainerEasy to use. Your goal is to take a deep breath and float the colored balls in each column, green means you inhale 600 ml ml, red means 900 ml ml, yellow means 1200 ml ml, You can measure and record the maximum inhalation effort. Train you to take deep breaths, help you open and clear your airways, helps prevent upper respiratory