ColdAvenger Mask

ColdAvenger Mask2Dry and air does much harm to your lungs and makes you feel rather uncomfortable. Luckily, the designers have thought of the , a practical that mix inhaled cold air with exhaled warm moisture to protect both your face and your lungs from the cold weather. Based on the ventilation technology, the could keep the interior temperature 40˚- 60˚F higher than the outside air.

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