Filters for non-medical respiratory masks

'filter':1 'mask':7 'medic':5 'non':4 'non-med':3 'respiratori':6

Protective breathing masks for protection against transmission of microbial infections for medical purposes; sanitary masks worn to cover the nose and mouth to prevent the spread of infection; personal protective face shields for medical use

'breath':2 'cover':18 'face':31 'infect':10,28 'mask':3,15 'medic':12,34 'microbi':9 'mouth':22 'nose':20 'person':29 'prevent':24 'protect':1,5,30 'purpos':13 'sanitari':14 'shield':32 'spread':26 'transmiss':7 'use':35 'worn':16

Antimicrobial coatings to prevent the growth of bacteria, viruses, and fungus for use on personal protective equipment, and heating, ventilation, and air conditioning (HVAC) systems

'air':22 'antimicrobi':1 'bacteria':8 'coat':2 'condit':23 'equip':17 'fungus':11 'growth':6 'heat':19 'hvac':24 'person':15 'prevent':4 'protect':16 'system':25 'use':13 'ventil':20 'virus':9

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