5000ml Deep Breathing Volumetric Lung Exerciser Breath Measurement SystemSuction and Blow Type

Feature: 1. Breathing mouthpiece is made of safe and comfortable PE material, ergonomic design. 2. Bottom filter, effectively prevent cross infection, keep the ball clean and hygienic. 3. Bright color sphere, integrated with color psychology, encouraging patient training. 4. Volume measurement up to 5000ml, accommodates large inspired volumes. 5. Helps achieve optimum lung capacity and restoring disrupted breathing patterns. Specification: Condition: 100percent Brand New Item Type: Breathing Exerciser Material: Plastic Optional Style: Single Suction Type, Suction and Blow Type. Package List: 1 x Breathing Exerciser1 x Replaceable Mouthpiece + Bag 1 x Chinese Manual