Premier PM2.5 Activated Carbon Mask Filters - Salix Embroidery
Premier PM2.5 Activated Carbon Mask Filter. Non-woven, active carbon cotton cloth filter. Spun bond cloth filters micron-level dust (particulate matter 2.5 microns) Reduces dust, particulates and allergens such as haze, dust, pollen and motor vehicle exhaust emissions. Recommended to replace filter every 1 to 3 days, depending on use.