This mask filter is crafted with five layers of support that contains activated carbon and non-woven fabric. It helps block pollen, dust, and pollution to keep you safe and healthy.

• PM2.5 Replaceable Filters can effectively isolate most types of harmful dust, particulates and smoke
• Suited for most filter pocket cloth masks
• Easy to insert or replace to achieve the best protection for your cloth mask
• Sold in quantities of 10
  
• Perfect for 3 Layer Reusable Mask!