Happy Masks Filter NaCl Aerosol Challenge Results
(NIOSH 42 CFR 84)
Particle Size: 0.075 µm Count Median Diameter (equivalent to ~0.3 µm Mass Median Diameter)
Testing Lab: Taiwan Textile Research Institute (TTRI)
*This test was designed to measure filtration efficacy after 50 washes. We are in the process of conducting additional testing, and will publish the results once available.