Meet AirWave® 4800 Series— Made in America. Built for easy breathing, lasting comfort, and dependable performance. The exclusive wave design lets in more air, while the FlexFit® moves with your face and stays in place for all-day comfort. The tough Dura-Mesh® shell resists collapse in heat or humidity. The 4800 has an added carbon layer to help filter out nuisance levels of organic vapors. The results? A respirator that lasts longer and feels more comfortable to the worker, boosting compliance and morale, while reducing usage and costs. AirWave. More Air. More Wear.