Electric Wearable PAPR Powered Air Purifying Maskes With HEPA Filter,for Dust Work,Painting, Machine Polishing, Welding Other Work Protection,Air Supply$$Tools & Hardware Other

•Supplied fresh air system is equipped with portable power sources mainly overcome the problems of big air intaking resistance, difficulties in breathing,Can be used for work protection, or outdoor sports,travel, training,running etc. •Equipped with a mini air purifier to provide air supply, making your breathing more comfortable. •Adjustable wind speed, can be used for 8-12 hours with full charge, larger battery capacity, longer working time. •You can hang it on your neck or hang it on your arm; •The filtration efficiency is above 99.7%. It can be used in multiple functions, such as being used as a car purifier, a desktop purifier, etc.