Four-layer effective filtration, high-density non-woven fabric, nano-filtration, N90 filtration, highly breathable non-woven fabric, filtration efficiency up to 90%
Effectively prevent pollen, dust, haze, allergens, air pollutants, etc
Comfortable and breathable, the built-in anti-fog strip can prevent the glasses from fogging, and the high-quality elastic earbands make it comfortable to wear for a long time
Ideal for students, office workers, and outdoor workers to protect your respiratory tract from infection(Blue and white random)