3M 6059 ABEK1 Filter (Pair)3M 6000 Series Gas and Vapour FiltersThese 3M 6000 Series Gas and Vapour Filters employ a counter-balanced, streamlined design to minimise the feeling of weight and therefore improve comfort. The postioning of the filters ensures an excellent field of vision.Features and Benefits Good balance of weight on face Low breathing resistance Excellent field of vision as a result of unique trapezoidal shape Bayonet fitting ensures precise &safer locking Can be used on all 3M 6000, 3M 7000 &3M 7500 Series Half Masks and Full Face MasksCartridge Filter 6051 - A1Organic VapourCartridge Filter 6057 - A1B1E1Organic Vapours, Acid GasesCartridge Filter 6059 - A1B1E1K1Multi-Gas: Organic Vapours, Acid Gases, Ammonia & MethylamineApplicationsFiltered respirator facemasks are essential PPE for environments where particle ingress can be potentially hazardous to your health, such as gas, vapours or dust. They are often more suitable for heavy-duty tasks than disposable facemasks. Replaceable respirator particulate filters are graded in different ways to indicate their suitability for different applications, such as; A- Organic vapours with a boiling point more than 65°C B- Inorganic vapours E- Acid gases K- Ammonia and ammonia derivatives AX- Organic vapours with a boiling point less than 65°C