Mask, Anti-Gas and Anti-Fog, Suitable for Running, Cycling, Especially Clean Occasions, Equipped with 4 Filter Elements, Each Filter Element can be Used for 30 Days.

Description

feature:1- Activated carbon filter isolates 95% of dust, chemicals, fumes and particles2-Unique ventilation design, excellent breathability, double breathing valve, smaller air resistance and smooth breathing.3-Fashion design, beautiful, simple and light4- High-quality diving fabric with soft texture and comfortable wearing5- The Velcro neck is cleverly designed and can be adjusted to fit most head shapes6- Masks can be cleaned, but the filter must be lowered7-Suitable for allergic to pollen, carpentry painting, mowing, running, hiking and other outdoor activities.Filter replacement steps:Open the mask to expose the inside of the filter valve.According to the "open" direction on the valve, turn the valve counterclockwise to separate the valve.Remove the filter.Replace with a new filter, reverse the steps above, and turn the valve counterclockwise.package:1 * Dust mask4 * filter cotton