We stock two types of mask filters: PM2.5 filter – nonwoven polypropylene with activated carbon Filti filter – nonwoven polypropylene, with high-performance polyurethane polymer nanofiber We regularly field questions about the difference between these two types of replaceable filters for masks. We would like to highlight the key differences and similarities in order for our […]
Category: Mask Filters
Complete Guide to Filti face mask filters
What is a Filti filter? Filti filter is a mask insert that can be inserted into the inner pocket of a cloth mask to increase it’s filtering performance. The filters are made in Canada using high quality Filti material from the USA. Filti filters up to 95% of 0.3 micron particles according to the TSI […]
Complete Guide to PM2.5 filters for face masks
Summary A PM2.5 filter is a mask insert that can be inserted into the inner pocket of a cloth mask to increase it’s filtering performance. It gets its name from an established standard based on 2.5 micrometers (microns) – equivalent to 0.0025 mm – a reference to the size of airborne particulate matter that this […]