Size: Large (Size L) NIOSH Rating: N95 filtration with Organic Vapor (OV) protection Included Components: Facepiece (8000 series), 4 cartridges/filters (8100 OV cartridges and 8910 N95 pre-filters with 8020 retainers) Design: 100% PVC-free, lightweight thermoplastic elastomer facepiece with a drop-down headstrap and low-profile design that fits well under safety glasses and welding helmets. Connection Type: Snap-in gasket mount to prevent misthreading.