Additional Details ------------------------------ Safety warning: NIOSH-approved filter protects you from exposure to lead, asbestos, cadmium, arsenic, and MDA. Use in welding, brazing, torch cutting, metal pouring, soldering, and exposure to lead, asbestos, cadmium, arsenic, and MDA for concentrations up to 10 times the Permissible Exposure Limit (PEL) with half facepieces or 50 times PEL with full facepieces. NIOSH approved for environments containing certain oil- and non-oil-based particles. Exceptional 99.97% filter efficiency meets NIOSH P100-series test criteria. Directions: 1. Inspect the filter for damage or defects before each use. 2. Select appropriate cartridges or facepieces based on the application and contaminants. 3. Ensure a proper fit following the respirator manufacturer's instructions. 4. Replace filters when necessary, typically when breathing becomes difficult or when the filter's endurance time has been reached.