Nextgen High Altitude Mask Cardio Breathing & Respiratory Strength...

Nextgen High Altitude Mask Cardio Breathing & Respiratory Strength Trainer 24 Oxygen Deprivation Levels, 8 Replaceable Carbon Filters Sport Elevation Vented Respirator for Athletes (Classic Camo)

• ???? TAKE YOUR ENDURANCE WORKOUTS UP A NOTCH - Simulate the challenges of high-altitude training by using our workout mask. Boost your lung capacity. Improve your stamina. Break through your limits.
• ???? LOSE THE DUST - The replaceable carbon filters in our altitude mask won't protect you but they're perfect if you run along busy highways or workout in dusty gyms.
• ???? CHOOSE YOUR INTENSITY LEVEL - The 24 resistance levels of our sport mask allow you to personalize your training according to your fitness level. Whether you're a beginner or a pro, there's a setting for you.
• ???? FITS COMFORTABLY - Our high-altitude athletic mask comes with a universal fit sleeve and anatomical grip mask. It's a fully functional exercise mask that doesn't compromise on comfort.
• ???? BUILT TO LAST - You deserve a workout mask that works as hard as you do. This is why we use ultra-durable ABS plastic to ensure that this gym mask keeps you company for many grueling workouts.