New 3M Cool Flow Particulate Respirator 8511 N95

I'm selling a brand new 3M Cool Flow Particulate Respirator 8511, N95. It features: - Advanced filter media for easy breathing - Up to 50% easier breathing - Stretchable, braided headbands for comfort - Cool Flow Valve helps reduce heat buildup inside the respirator - Adjustable M-Noseclip for a custom, secure seal - Lightweight design - NIOSH Approved for at least 95 percent filtration efficiency against certain non-oil-based particles