Gym Lung Exerciser Food Grade Silicone Fitness Lung Expanding Mouthpiece on Productcaster.

Gym Lung Exerciser Food Grade Silicone Fitness Lung Expanding Mouthpiece

Description: Food grade high quality silicone material very safety, soft and comfortable Designed for boosting your stamina and improve lung capacity respiratory breathing exerciser Also help to strengthening respiratory muscles abs easily and quickly increase your breath endurance. Help you to inhale more volume of oxygen into your lungs and to exhale more carbon dioxide out. Adjustable resistance dial allows you to adjust resistance according to your own physical condition Specification: Material: Silicone Size: 21x12x3.5cm/ 8.26x4.72x1.38 inches Package Includes: 1 Piece Breathing Exerciser Mouthpiece

Gym Lung Exerciser Food Grade Silicone Fitness Lung Expanding Mouthpiece on Productcaster.

Gym Lung Exerciser Food Grade Silicone Fitness Lung Expanding Mouthpiece

Description: Food grade high quality silicone material very safety, soft and comfortable Designed for boosting your stamina and improve lung capacity respiratory breathing exerciser Also help to strengthening respiratory muscles abs easily and quickly increase your breath endurance. Help you to inhale more volume of oxygen into your lungs and to exhale more carbon dioxide out. Adjustable resistance dial allows you to adjust resistance according to your own physical condition Specification: Ma...

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