2300 N95 2 Strap Particulate Respirator with Exhale Valve, Disposable, Half Face, Small ORS NASCO tab lock headband Ratchet headband is strip tab lock headband Ratchet headband is strip proof and provides easy adjustment SwingStrap™ combines the benefits of both the ratchet and the 360° padded sweatband with the added ability to convert from forward to reverse wearing position without having to remove and reinstall the suspension corrosion and galling where high temperature conditions exists Contains a high percentage of micro fine copper flakes in a semi synthetic grease carrier Fortified with high quality rust and corrosion inhibitors Exhale valve lets workers breathe easy and stay cool Dura Mesh® shell resists collapsing in heat and humidity Molded nose bridge seals easily without a metal noseband Facepiece is naturally contoured for less pressure Straps are securely attached so they don’t break at the seal