3M 8511PB1-A-PS Particulate N95 Respirator with Valve, 10-Pack Designed to help provide comfortable reliable worker respiratory protection against non-oil based particles Two-strap design with welded point attachment helps provide a secure seal Features proprietary cool flow valve that reduces heat build-up inside the respirator Respirator type:Sanding & fiberglass , No HEPA Cool FlowValve reduces heat, moisture, and fogging Protects against certain non-oil-based products M-shaped nose clip for a comfortable fit No-tangle straps for ease of use Allows for easy breathability