n95 face pre-formed cone , 20pack not intended for use

comfortable design: soft non-woven, synthetic polyester urethane on the outside offers comfort & polypropylene meltblown fiber filter inside against contaminants for up to 8 hours. se fit: the adjustable, durable aluminum nosepiece can be shaped along your nose bridge to prevent leakage or eyewear fogging while the high elasticity head-straps ensure a tight & se seal. disposable face s: diy home improvement, cleaning, mowing, gardening, and other projects that require from airborne contaminants. not intended for use