2 Pcs Breathing Exerciser Device, Portable Lung Exerciser Trainer Adjustable Inspiratory Resistance Handheld Lung Expansion Training Tool for Improve Lung Capacity Respiratory Therapy(Black)

描述

2 Pcs Breathing Exerciser Device, Portable Lung Exerciser Trainer Adjustable Inspiratory Resistance Handheld Lung Expansion Training Tool for Improve Lung Capacity Respiratory Therapy(Black)