3M CV-0005-6946-3 NIOSH HE Particulate Filter

3M CV-0005-6946-3 NIOSH HE Particulate Filter is the Versaflo TR-3712N High Efficiency particulate filter designed for use with the 3M Versaflo TR-300 Series powered air-purifying respirator (PAPR). Sold in cases of 5, these filters mount to Versaflo TR-300 Series hoods and belt assemblies to provide particulate filtration for airborne particulates in dusty, industrial settings. The TR-3712N is described by 3M as a High Efficiency (HE) particulate filter for TR-300 PAPRs and, per assembly documentation, includes an inner circular gasket and an outer seal to ensure a proper fit within the filter housing. This part, identified in supplier catalogs as CV-0005-6946-3, is referenced in NIOSH approval materials for TR-300/PAPR configurations, underscoring its role in compliant particulate protection within the Versaflo system.