Manufactured Date is March of 2008 and the activated charcoal is expired making it ineffective against Organic Vapors. The P100 will still remove particles like insulation fibers, mold spores etc.

Aosafety Offers A Broad Selection Of Bayonet Style Plastic Cartridges And Cartridge/filter Combinations To Protect Against Most Gases, Vapors, Dusts And Fumes In The Workplace. All Have Off Center Adapters For Optimal Peripheral Vision. Cartridges And Filters Are Niosh Approved And Compatible With 8000 Series Respirators., Uom 2/pk