Key features

• •【 High efficiency Ventilate & 3D Contour Fit Design】smart Electric Air Mask, with unique ventilation design,built-in air motor which is Motor drives wheel on wind cavity to suck air and breathe gas will exaughts from bottom outler, excellent permeability, can realize two-stall adjustment, and produce air with high effectivity and actively deliver fresh air. there have extra replacement filters for this mask in our store , search :B07XXX97FN then you will find out , thanks !
• •【 4 layer filter net and 2 Wind Speed mode 】Dustproof Masks use high quality ABS and adhesive composite sponge, lightweight, no damage and comfortable wear, soft rubber nose protection accessories, protect the nose,make your nose position more comfortable. The air purifying mask built-in powerful motor ,offer full fresh air ,2 speed mode can be adjust ,use HEPA filter, 3M H13 Filter ,activated carbon filter,high filtration barrier against germs, ensure fresh new air.--pm2.5 mask
• •【Perfect Protection and high efficient purification】Anti Pollution Mask separation of 98% of the dust, fumes and particulates, Suitable for dust, anti-vehicle exhaust, anti-pollen allergy, PM2.5, for cycling, hiking, skiing and other outdoor activities. Electric respirator, very comfortable and soft on the face, allowing a comfortable air flow, great for people with allergies and the flu, it's also great for the spring time during pollen and allergy seasons.
• •【Rechargeable Battery and replaceable filter】the mask filter is replaceable, offer cleaner air to protect your mouth, nose and lung. It is comfortable for long periods of time and is easy to clean for day to day wearing.Built-in 780mA safety li-battery can work for 4~5 hours. Charging time only need about 2h.
• •【easy to use and comfortable 】Stretchy and adjustable earloops, the safety masks suitable for most adults, velcro neck design ingenious,the size can be adjusted to meet the most head type. According to the person face design, keep out the bridge of the nose the following part, Using Upgrade soft midical sillicon, comfortable fit with your nose and face