Medium KN95s for average faces
Can be used against most welding fumes (free of oil)
MRI SAFE - masks have no metal component
Gases and non-oil and oil particulate concentrations
NIOSH approved to help reduce exposure to certain organic vapors
3M 7000 Kit with Filters/Cartridges, Half-Face Respirator Assembly Size:Large Medium KN95s for average facesWe aim to ship within 2 business days or less from Portland, OR. Good choice for those working living in areas contaminated with wildfire smoke and ash. Protects against harmful air particles, dust, lead, mold, asbestos, cadmium, arsenic, and MDA. Full kit assembly, ready to use! Add extra pair of filters to have on hand, just in case. 3M Reusable Respirator, 7000 Series Sizes: Small (7501), Medium (7502), Large (7503) Durable silicone seal for all