Active Carbon Filters Isolate 99-percent of Dust, Chemicals, Fumes And Particulates. Carbon fiber replaceable filters.HEPA filter dust.For hygenic reasons, this product is non returnable.
Diving suit fabric Very elastic,Velcro suitable for most people size can be adjusted to meet the most head。Suitable For Running , Cycling , Hiking , Skiing And Other Outdoor Activities.
Unique ventilation design, a plurality of holes, excellent permeability, Exhale,the valve is opened without resistance,double air breathing valve, air resistance is smaller,smooth breathing, Perfect for spring, summer, autumn and winter wear
Make sure you are comfortable after wearing this mask by adjusting the back of the Velcro. Material: chinlon, nylon Size: 13 X 6.7″, One size fits most Function: Protection against sand and dust Net Weight: 2.17oz Design: Ergonomic to human faces, covering area below bridge of nose, non-slippery aluminum fitting parts, with small holes for breathing