Handheld POWERbreathe training device.

POWERbreathe - Breathing Exercise Device, Breathing Trainer and Therapy Tool to Strengthen Breathing Muscles and Help Lung Capacity, Handheld Inspiratory Muscle Trainer - Green, Light Resistance

POWERbreathe Plus Heavy Red - Running Free Canada

Breathing Trainer Review Guide: Will It Make You Run Faster? –

Item Description Maximizes sports performance and endurance, helping you towards achieving your personal best in whatever you do. Features hi-tech ergonomic design, optimized airflow performance and anti-bacterial qualities. Who can benefit? Elite, competitive athletes and team sports players training and competing at a very high level. Endurance athletes, such as cyclists, runners, triathletes, and swimmers.

POWERbreathe Plus Heavy Resistance Black Model LSI-Plus-3B

POWERbreathe Chapter 1 - What is POWERbreathe IMT?

POWERbreathe - Breathing Exercise Device, Breathing Trainer and Therapy Tool to Strengthen Breathing Muscles and Help Lung Capacity, Handheld Inspiratory Muscle Trainer - Pink, Light Resistance

POWERbreathe Medic Breathing Device

POWERbreathe - Official site

Easy 5-Minute Workout Lowers Blood Pressure As Much as Exercise or Medication