Lightweight, disposable N100 particulate respirator is well-suited for those who want NIOSH's highest-rated filtration efficiency. It provides a minimum filter efficiency of 99.97 percent against nonoil-based particles. Innovative technologies and features help you meet your respiratory protection and comfort needs. The respirator incorporates 3M's proprietary technology with advanced electrostatically charged microfiber filter media, designed for ease of breathing. Proprietary 3M Cool Flow Exhalation Valve reduces heat buildup inside the respirator to help keep the wearer more comfortable. Soft inner material provides added comfort while the cup shape design makes the respirator spacious and durable. These features, along with the foam face seal and adjustable head straps, are designed to help enhance user comfort and may increase wearability.