The lightweight, disposable 3M Particulate Respirator is designed to help provide quality, reliable respiratory protection for the professional for certain non-oil based particles. 3M uses a variety of innovative technologies and features to help you meet your respiratory protection and comfort needs. The 3M Particulate Respirator incorporates 3M's proprietary technology with advanced electrostatic ally charged microfiber filter media, designed for ease of breathing. The proprietary 3M Cool Flow Exhalation Valve reduces heat build-up inside the respirator to help keep the wearer more comfortable. The soft inner material provides added comfort while the cup shape design makes the respirator spacious and durable. These features, along with an adjustable M-nose clip, are designed to enhance user comfort and help increase wear ability.