NIOSH Items: We only sell brand new respirators, filters, and dust masks from US based manufacturers. Since it can be difficult to determine if a respirator or mask has been used or even just tried on, for the protection of our customers, we do not accept NIOSH returns.
For 3M Adflo Powered Air Purifying Respirator (PAPR). The Adflo OV/SD/CL/HC cartridge can be "stacked" onto the High Efficiency particulate filter for additional protection against organic, sulfur dioxide, chlorine and hydrogen chloride vapors. (2/Case) ANSI Z87.1-2010 Approved.