PM2.5 Filters Active Carbon Filters for Mesh or Neoprene Mask,5 Layers Replacement Parts,11 Pack + 4 Exhaust Valves
*Packaging Includes：11x Activated carbon filter + 4 Exhaust Valves,not include dust mask.
*5 layer dust mask filter, For outdoor Face shape design, suitable for running, cycling, hiking, skiing and other outdoor activities.
*This filter isolate up to 99-percent of dust, pollen, hazardous chemicals, fumes, heavy metal particles etc.
*Universal design: Its compatible with majority of dust Covers available in the market.
*How Long Do Filters Last - Duration time for filter depends on the breathing rate of the user and the pollution level. We recommend replacing the filter every 24 hours if the mask is used extensively in heavy dust exposure to things such as; grain bins, off-roading, construction/demolition etc.
Packing Contents:
11× Replacement filters for use with your Mask + 4 Exhaust Valves .( Not include mask )
How to use:
1. Open the mask to expose the internal valve filter.
2. According to the opening instructions on the valve, turn the valve counterclockwise to separate the air valve.
3. Remove the two valves and remove the filter.
4.Replace the new filter, rotate the valve clockwise, and the replacement is complete.
