HealthAndYoga(TM) Deep Breathing Exerciser - Breath Exercise Measurement System

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Feature

Compact, high quality break-resistant plastic, 3-ball inhaling breath measurement system
Solid, non-shaky Single piece construction; 3 chambers for differing inhalation rates
Deep Breathing Exerciser for comprehensive respiratory fitness from 600cc/sec to 1200 cc/ sec
Helps achieve optimum lung capacity and restoring disrupted breathing patterns
Complete Instructions Provided; Colors may Vary