3M 8511 -Particulate Respirator Select:Box of 10 The tough canvas convex surface

The tough canvas convex surface allows for superior sanded finishes on glass and delicate surfaces

Available in green or clear (water-white)

The above values are "Typical Values" which have a nominal range about them and are not intended for specification purposes

marble and acrilyc surfaces

3M 8511 -Particulate Respirator Select:Box of 10 The tough canvas convex surfaceParticulate Respirator 3M 8511 NIOSH approved for at least 95 percent filtration efficiency against certain non oil based particles 3M Cool Flow Exhalation Valve reduces heat build up inside the respirator Adjustable M noseclip reduces potential for eyewear fogging Braided headbands two strap design with dual point attachment helps provide a secure seal 3M Cool Flow Exhalation Valve reduces heat build up inside the respirator Spacious and durable