Just quickly skimming, I notice that a) the clip compares it to the efficacy of a surgical mask, and b) it hooks around the ears rather than going around the he

Just quickly skimming, I notice that a) the clip compares it to the efficacy of a surgical mask, and b) it hooks around the ears rather than going around the head fully. If it gets listed on that site of NIOSH approved masks I'll certainly give it a shot, though.