With replaceable organic vapor cartridgesEach Assembly consists of one Facepiece (Half or Full), one pair of 6001 Organic Vapor (OV) Cartridges, two pairs of 5P71 (P95) Particulate Pre-Filters and one pair of 501 Particulate Filter Retainers. Full Facepiece units also include two 6885 Full Facepiece Lens Covers. The OV Cartridges, Particulate Pre-Filters and Full Facepiece Lens Covers can be replaced for extended product life. Please refer to the Respirator Parts and Filters chart for all parts. Primary Usage: Dust and organic vapor relief (When used with required cartridges) Approvals: NIOSH Securing Device: Adjustable elastic straps