(299) ABEK1 Hg P3 Gas/Particle Filter Protect Against Organic Compounds With a Boiling Point Above 65 degrees Celsius, Inorganic Compounds & Acid Gases/Vapours, Ammonia, Mercury Vapour and all Types Of Particles Sold As An Each 3 Per Pack 30 Per Carton Approved To AS/NZS 1716:2003