Korean Samgong K1 방독면
The Korean K1 방독면 was made of black rubber with rounded triangular lenses, a central speech diaphragm, and filter port on the left cheek. On the right cheek was a port for a drinking tube. This example was made by Samgong in 1987.
방독면 = "Gas Mask"
Similar masks in my collection: British S10
