Kimtech™ M3 Pouch-Style Face Masks with Knitted Headbands are a smart piece of personal protective equipment (PPE) for your ISO Class 3 and higher cleanroom environment. The individually bagged masks have a low-linting polyethylene film outer layer that provides protection from contamination and the soft inner-facing fabric provides comfort. The pouch-style masks have a large breathing chamber for added comfort, two knit headbands to help ensure a tight facial seal, and a fully enclosed bendable nosepiece. They have excellent bacterial and particle filtration combined with good breathability. These face masks are popular for a variety of environments, including pharmaceuticals and biotechnology.