reputable kn95 & kf94 masks
https://www.planethalohealth.com/collections/kf94-mask
https://wellbefore.com/collections/masks
https://www.planethalohealth.com/products/kingfa-kn95-face-mask-adult-black-10-count?variant=40409340543035
NOISH approved n95 respirators
3m aura: https://www.3m.com/3M/en_US/p/d/b00051022/
duckbills:
https://www.gersonco.com/product/ez-go-zip-pak-bag-of-5-foldable-extreme-comfort-3230-n95-respirators/
bnx black: https://bnx.com/products/n95-mask-black-made-in-usa-bifold-h95b/
bnx boat black: https://bnx.com/products/n95-mask-black-made-in-usa-bifold-h95b/
silicone seal:
https://softsealmask.com/order-softseal-mask-now
reusuable masks
gvs p100: https://www.gvs.com/en/catalog/elipse-p100-niosh-respirator
flo mask: https://flomask.com/
envo mask: