Breathable Carbon Dust-Proof Mask Filters, Set of 20 Fit for Most Sports Cycling Masks
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Color: 20 pcs
- ❤【FIVE LAYERS STRUCTURE】Package contain 20 filters, which has 5 layers provide professional filtration. The first layer blocks large particles, the second activated carbon filter layer filter benzene, car exhaust. The third and fourth layer filter 0.03-0.3 microns of dust and particles. The fifth non-woven layer comfortable and breathable.
- ❤【HIGH QUALITY MATERIAL】UBRU filters are made of non-woven and activated charcoal microfiber. Easy to provide great protection against non-oil based aerosols and blocks particles from grinding, sanding, sweeping and filters out flour, pollen, metal and wood dust.
- ❤【COMPATIBILITY】This activated carbon filters pack contains 20 replacement filters with with 4 soft foam and 4 breathing valve, which fits for most sport masks in the market.
- ❤【HOW OFTEN CHANGE FILTER】Replace them when they look dirty or after about 10-15 hours of wear. It is recommended to replacing the filter once a week if the mask is used extensively.
- ❤【HOW TO REPLACE FILTERS】It is easy to replace the filters. Firstly, open the mask to expose the filter and valve. Secondly, demount the two valves counterclockwise. Thirdly, replace the old filter. Finally, mount the two valves clockwise.
Package Dimensions: 10.7 x 7.1 x 2.2 inches