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High Altitude Mask, Training Workout Mask Men to Improve Lung Capacity, 24 Level Breathing Resistance Fitness Mask to Upgrade Endurance, for All Sport: Running, Cardio, Cycling, Gym — Open-Box, 20% Off
Brand: YUMIOER
Condition: Used - Mint
$2159
$2699
-20% Save $540
Updated: 22 days ago
Description
SAVE YOUR TRAINING TIME UP TO 50% - By our high altitude mask to create a similar high altitude environment, The mask enforce you to breath deeply, so during same time, the workout efficiency is doubled.
BOOST YOUR LUNG CAPACITY & ENDURANCE - By restriction oxygen and create high altitude environment, Our altitude Mask will force you to take full and deepest breaths, so the breaths muscle is highly excised & Your Lung and respiratory system performance will be improved.
For ALL LEVEL FITNESS PEOPLE - Our training high altitude mask has two air paths, each path has 4 level adjustable, and two additional soft valves to create up to 24 breathing resistance levels, suitable people from beginner to Pro.
SMART ERGONOMIC DESIGN - Our mask is made of finest material and it’s ergonomic designed, it can fit all face perfectly with adjustable belt, the soft rubber is easy to keep our side air isolated from your face and to avoid slip during train.
GREAT IDEA FOR GIFT - Luxury gift box packaging, great idea for gift. Only for Fitness! NOT for Cornavirus
Our sports mask to simulate exercising in high altitude environments, 24 Breathing Resistance Level
2 Air flow pathes Improve lung capacity by creating pulmonary resistance Suitable for almost any sport type. For example, running, football, basketball, rugby, track and field, fitness, jogging etc.
Made of high quality material, It's very strong enough for long time use.
One size fit all Luxury box packaging, ideal for gift.
Only for Fitness! NOT for Convid-19 !！!
2 Air flow pathes Improve lung capacity by creating pulmonary resistance Suitable for almost any sport type. For example, running, football, basketball, rugby, track and field, fitness, jogging etc.
Made of high quality material, It's very strong enough for long time use.
One size fit all Luxury box packaging, ideal for gift.
Only for Fitness! NOT for Convid-19 !！!
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Amazon Warehouse
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- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
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- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b08j5k99jz
- Country:
- US
- ASIN:
- B08J5K99JZ
- UPC:
- 788481111766
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Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $5 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
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