Detail Specifications / Descriptions

* Light and easy-to-carry. Comfortable to wear seamless.
* 100% Silicone rubber face piece covers user's face and no skin allergy.
* 2-slice separation headband and back neck buckles-designed easy-to-wear.
* Stable air-inflows. Long-time work.
* Lower breathing resistant with high performance blower.
* Positive pressure in the mask could prevent outside contaminant as blower operating and penetration is below 0.01%.
* Two adjustable types. Battery Box with AA batteries * 4 pieces.
* High filtration efficiency filters out small dusts and metal dust (0.3 mm micro)*.