Description
3M Speedglas 2.8" X 4.2" 9100XX Variable Shade 5, 8 13 Auto Darkening Welding Lens With Sensitivity, Delay And Grinding Modes For Fixed Front Welding Helmets Inhalation Port Gasket and regular sized Bound Books and regular sized Bound Books The change out schedule must take into account all factors that may influence respiratory protection including specific work practices and other conditions unique to the worker's environment