Highlights NIOSH approved for use against a wide range of gases and vapors depending upon the model selected Bayonet-style connection fits a wide range of compatible half and full facepiece 3M™ Reusable Respirators Use with NIOSH approved 3M™ Half and Full Facepiece Reusable Respirator 6000, 6500, 7500, 7800S or FF-400 Series; or the 3M™ Scott™ AV-3000 SureSeal or AV-3000 HT Swept-back, low profile design for optimized field of view and balance Lightweight with low breathing resistance Quarter turn for a quick and easy installation Wide range of applications may reduce inventory needs Use for protection in hazardous environments. For workplace/occupational use only .Delivery 4- 7 weeks upon issue of PO