Ensure your safety with the a1b1e1 Gas Filter, specifically designed for the e3000x PAPR (Powered Air Purifying Respirator). This high-performance filter is your best defense against harmful organic and inorganic acid gases and vapors commonly found in challenging welding environments. Experience enhanced protection as it effectively neutralizes toxic substances, while also eliminating unpleasant ozone and odors. The a1b1e1 filter seamlessly integrates with your e3000x blower motor, providing an extra layer of security when used in conjunction with the standard PAPR HEPA filter. Important Note: This filter is not suitable for all toxic welding environments. Always consult with an industrial hygienist to understand the OSHA Personal Exposure Limits (PEL) for your specific application. *not NIOSH approved