SAS - N95 Valved Active Carbon Respirator Details Active carbon melt-blown pre-filter (can absorb the nuisance organic vapors below PEL)Exhalation valve for extra comfortNew seal cushion provides exce... Details Back Active carbon melt-blown pre-filter (can absorb the nuisance organic vapors below PEL)Exhalation valve for extra comfortNew seal cushion provides exceptional comfortDual head strap for optimum fitMaintenance freeNIOSH approved
