3m Particulate Respirator Filter 7093 NIOSH Approved Filter for 6000 Series Respirators, Particulate Filter 7093, P100 Approved 99.97% effective against certain oil and non-oil based particles. No need to tape-off during decontamination or showering. Air inlet creates channeled airflow to reduce clogging. Use with 502 Filter Adapter (sold separately) when used in combination with a 3M™ cartridge. 12 filters per box.