MSA All-Vision Gas Mask
The MSA All-Vision Gas Mask was made for a variety of applications, including law enforcement and industrial use. This version featured a flutter valve and short hose, equipped with an MSA Canister for Acid Gases. This example was made by Mine Safety Appliances in 1943.
Similar masks in my collection: MSA All-Vision Organic Vapors, MSA All-Vision Chemical Cartridge, MSA All-Vision Diaphragm Chemical Cartridge, S&W All-Vision Diaphragm Chemical Cartridge, Acme Full-Vision No. 6