Product: 30PCS activated carbon filter replacement parts kit, suitable for most bicycle masks, with 8 exhaust valves
Brand: YIZER
The filter pack contains 30 spare filters, spare filter materials: non-woven fabric, activated carbon cloth, melt-blown cloth
The activated carbon filter can separate 99% of non-toxic dust, pollen, smoke, common air irritants and other non-oil-based particles.
How long the filter can be used-the duration of the filter depends on the user's breathing frequency and pollution level. If the mask is used in a lot of dusty environment, it is recommended to replace the filter every 24 hours. Granary, off-road, construction/demolition, etc.
We recommend replacing at least one activated carbon filter every day to ensure health and safety.
If you have any questions, please contact customer service, we will solve the problem for you 24 hours. (Fast delivery, arrive within 2-7 days)

Search query: n99 filter replacement for face mask
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