PM2.5 Replacement Filters (10-Pack)


– Sold Out
Pack of 10 PM2.5 replacement filters for Protective Face Masks.

All filters purchases (subscription and one-time purchases) include FREE SHIPPING.


This can be purchased to refill your mask, but is not mandatory to purchase. Please ensure to wash your mask after every use and remove the filter when doing so.

  • Protection against Particulate Matter 2.5 (PM2.5)
  • PM2.5 filter with a properly-fitted cloth mask can reduce airborne particulates by as much as 90%
  • Filter cartridge is effective for approximately 1-3 days of continuous use or longer with occasional use

This Masks Usefulness with Combating COVID-19:

The CDC officially recommends the use of cloth based masks as a simple barrier to help prevent respiratory droplets from traveling into the air, helping to prevent the spread of COVID-19. This is not a medical grade masks, of which should continue to be reserved for health-care workers.

The CDC recommends wearing facial coverings (without a vent or exhalation valve) in public spaces, particularity when social distancing measures are difficult to maintain. 

Please remember, no mask or filter is 100% effective at protecting from viral transmission, and should be considered a tool alongside appropriate social distancing and hand washing measures.     


Shipping Time: 7-10 business days 


For health and safety reasons, all filters are final sale and are not eligible for a refund or exchange.

Customer Reviews

Based on 1 review
Sara D. (Perth-Andover, CA)
replacement filters

Haven't used the filters yet, but am impressed with design and materials used.