All Moldex Particulate Filters are NIOSH certifiedCan be used with 7000, 7800 and 9000 series respiratorsUse the 8910 N95 Filter or the 8970 R95 Filter with the 7020 Pre-Filter Retainer and any Moldex gas/vapor cartridgeThe 8970 R95 Filter and the P100 Filter Disks can be used for both oil and non-oil based particulatesP100 Particulate filter disks are lighter than traditional filter cartridgesP100 Particulate filter disks allow for wider field of vision because of low profile designP100 Particulate filters are encased in plastic for durability and rough handlingP100 Particulate filter disks fit under welding helmetsP100 Particulate filter disks are easy twist on/twist off, with bayonet style attachmentFiberglass-free and 100% PVC-freePiggyback the 7940 P100 Particulate Filter Disk with any Moldex gas/vapor cartridge using the 7920 Piggyback adaptorMeets heat and flame resistance in accordance with ANSI/ISEA 110-2009 Section 7.11.1Fibreglass free100% PVC-Free, like all Moldex products & packaging - for a greener alternative