5 - filters
The 2.5 in PM2.5 refers to the size of the pollutant in micrometers.
The first layer of the filter system catches larger pollution , or Salon particles such as dust , and PM10.The inner filtration layer is made from 100% activated carbon. The filter includes an additional 3 layers which stops nearly 100% of smaller particulate matter such as PM2.5. A total of 5 layers in 1 filter
This filter Protects against harmful gases, odours, all PM; to PM2.5, pollen, smoke, allergens, dust and pathogens
No discount codes apply for this item
Each filter lasts 1-3 days depending on use.
Not intended for medical use