[We are working on Direct Duty Paid model -DDP]The 3M 5103 is part of the 5000 Series of half-facepiece disposable respirators. It comes pre-assembled with permanently attached cartridges-no maintenance required-making it ideal for intermittent use in various industrial settings. Filter Class & NIOSH Approval. NIOSH-approved for protection against organic vapors, chlorine, hydrogen chloride, sulfur dioxide, hydrogen sulfide, and hydrogen fluoride, with coverage up to 10× the OSHA Permissible Exposure Limit (PEL). Classified as OV/AG/P100 -meaning it protects against Organic Vapors (OV), Acid Gases (AG), and offers P100 particulate filtration efficiency i. Filters at least 99.97% of particulate. Thermoplastic Elastomer (TPE) – lightweight and comfortable. Yellow (NIOSH standard for OV/AG). Chemical manufacturing, labs, petrochemical, pharma, pulp & paper, utilities, construction, electronics. Not for environments that are Immediately Dangerous to Life or Health IDLH.