Avon Protection M50 Air Purifying Respirator. The M50 & M51 gasmasks Provide: a maximum level of protection to the face, eyes and respiratory system from Chemical-Biological (CB) agents, riot control agents, radiological particulates and Toxic Industrial Chemicals (TIC). This is an AVON M50/FM50 CBRN Protective Mask. Mask has been disassembled, every component sterilized and inspected. Disk valves replaced as necessary. All eyelenses verified damage free. Head harnesses replaced as necessary. Comes with two serviceable filters and Avon maintenance manual. The item “Avon Full Face Respirator M50 Gas Mask Protection Medium” is in sale since Tuesday, October 15, 2019. This item is in the category “Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks”. The seller is “westernfrontierllc” and is located in El Paso, Texas. This item can be shipped worldwide.