3M 8511 N95 respirator masks, box of 10
The 3M 8511 is a disposable N95 particulate respirator with a Cool Flow exhalation valve, adjustable M-noseclip, and braided headbands. ASA supplies ten respirators per box under SKU 3M8511. Choose this model for suitable non-oil particle exposures where your workplace permits a valved respirator.
Key features
- Disposable cup-style construction.
- Adjustable aluminum noseclip.
- Braided straps with stapled attachments.
- Exhalation valve releases warm, moist breath.
Potential applications
Where the exposure assessment permits:
- Sanding and woodworking.
- Selected grinding operations.
- Sweeping and bagging.
- Maintenance involving suitable non-oil particles.
What the Cool Flow valve does
The valve helps release warm, moist exhaled breath from inside the respirator. It is a comfort feature, not an increase in filtration class. The 8511 remains an N95 respirator, with at least 95% filtration efficiency against non-oil aerosols under specified test conditions.
When comparing valved and unvalved N95 models, consider workplace requirements as well as fit. The adjustable noseclip and headbands help position this respirator, but they do not guarantee a seal on every face. Required occupational use needs a respiratory protection program with medical evaluation, fit testing, and training.
Fit and replacement
Follow the supplied instructions when positioning the straps and shaping the noseclip. Perform a user seal check each time you put the respirator on. A seal check does not replace fit testing; facial hair must not interfere with the sealing surface.
If the respirator becomes damaged or soiled, or breathing becomes difficult, leave the contaminated area and discard it. Follow the packaging instructions for storage and expiration. Keep the model number on your purchasing record so replenishment matches the respirator selected for each worker.
Review the 3M 8511 technical specification sheet and supplied user instructions before entering contaminated areas.
3M 8511 respirator FAQ
Does it protect against paint vapors?
No. The 8511 filters suitable particles, not gases or vapors. Assess the coating and exposure before selecting respiratory equipment.
Is the box quantity ten or eighty?
ASA lists ten respirators per box. A full manufacturer shipping case listing is a different packaging level.
Is this a surgical N95?
No. Select a respirator with documented surgical and fluid-resistance properties when those are required. An N95 classification alone does not establish either property.
Does the valve add gas protection?
No. It is an exhalation feature, not a gas cartridge. Choose by the actual contaminants and their concentrations, then confirm the selected model fits the wearer. A familiar shape or shared N95 marking does not make different respirator models interchangeable for fit testing.
