Fn Filters

ss than 1/3 the waste than a standard 3 fold surgical mask with equivalent protection. Our packaging bags are eco-friendly and made partially from recycled plastics. The cardstock we use is made from 100% recycled paper. Taking care of an Fn'Filter
Our filters have a 2-year shelf life when stored correctly, keep them in a closed package and in a dry location away from excessive heat and/or strong oxidizing agents (smelly things). DO NOT GET FILTERS WET!!! this GREATLY reduces the effectiveness of the filter as they’re statically charged to reach the ASTM F2100 standard of 98% filtration efficiency. Nerdy Details
Regular testing completed inhouse and by accredited Canadian labs. Requirements/Certifications:
ASTM D3776, ASTM F2299 and
EN 14683 Annex C
Chemical/Material Composition:
Non-woven polypropylene melt blown

Basis weight:
28 g/m² ~0.42g per filter
Under Pressure:
Pressure Differential ≤ 4/ mmH2O/cm2

Particulate Filtration Efficiency:
At 0.1μm > 98% as tested against ASTM F2100.