Based on the US Government M50/ JSGPM (Joint Services General Purpose Mask) Program, the 53-Series Protective Mask was specifically developed to meet the unique requirements of Special Operations Units. The 53-Series Protective Mask was developed to counter the multiple threats encountered on the modern battlefield, war on terrorism and peace keeping operations around the world. It provides excellent protection against traditional chemical and biological warfare agents, select Toxic Industrial Materials (TIMs) and particulate matter including radioactive dust. The M53 will function as a conventional negative pressure mask as well as with a range of SCBA (Self Contained Breathing Apparatus) and PAPR (Powered Air Purifying Respirator). This is achieved without the need to remove or change any components. CCBA (Closed Circuit Breathing Apparatus) capability is provided with an exhalation valve adapter. Protect yourself from countless biological, chemical, and radiation threats with the world’s best APR. WHAT YOU ARE GETTING IN THIS LISTING. Available now is a NOS Avon Protection M53 gas mask with accessories! The mask is sized large and fitted for a left-handed shooter (the filter port is on the right side). Here is your chance to own one of the newest and most advanced CBRN protection kits on the market right now. The mask may have a few marks from storage but is unused. What you will receive. (1) M53 facepiece (Standard version) size large LH shooter Opened but unused. May have scuffs and markings from storage. (1) M53 mask carrier (Used). (1) Protective hood NEW. (1) Clear outsert NEW. (1) Faceform (Used). (1) Waterproofing bag NEW. (1) Operator cards NEW. The item “#2 AVON FM53 M53 Gas Mask Respirator Large Left Handed NBC M50 CBRN” is in sale since Friday, December 3, 2021. This item is in the category “Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks”. The seller is “kingleox14″ and is located in New Lenox, Illinois. This item can be shipped to United States.