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Original U.S. Vietnam War M25A1 Chemical-Biological Gas Mask with Filt – International Military Antiques
![XM28E4 gas mask, most famously used during the latter stages of the Vietnam War, was meant specifically for riot control agents as a much lighter alternative to the M17. Most famously in XM28E4 gas mask, most famously used during the latter stages of the Vietnam War, was meant specifically for riot control agents as a much lighter alternative to the M17. Most famously in](https://i.redd.it/pbefm2ujcj471.jpg)
XM28E4 gas mask, most famously used during the latter stages of the Vietnam War, was meant specifically for riot control agents as a much lighter alternative to the M17. Most famously in
![U.S. Soldier Wearing Gas Mask In Vietnam. Ca. Jan. 1968. Csu ArchivesEverett Collection History - Item # VAREVCCSUA001CS499 - Posterazzi U.S. Soldier Wearing Gas Mask In Vietnam. Ca. Jan. 1968. Csu ArchivesEverett Collection History - Item # VAREVCCSUA001CS499 - Posterazzi](https://cdn11.bigcommerce.com/s-yzgoj/images/stencil/1280x1280/products/1878960/3880668/apic1sin5__29341.1626427790.jpg?c=2)