New old stock Forsheda A4 F2 S small respirator gas mask w/ MSA CBRN NBC filter. One new filter CBRN expire 2025. The item "New old stock Forsheda A4 F2 S small respirator gas mask with MSA CBRN NBC filter" is in sale since Friday, March 20, 2020. This item is in the category "Business & Industrial\Facility Maintenance & Safety\Personal Protective Equipment (PPE)\Masks & Respirators\Mask Replacement Cartridges".The seller is "perfettoperformance2010" and is located in Glenview, Illinois. This item can be shipped to United States.