US M17 A2 Gas Mask Review and Test

Review and test of the American M17A2 protective mask. The M17 series of respirators were cheek filter gas masks used by the US army from the late 1950s until the 1990s when they were eventually replaced by the M40 and MCU2P. The M17 uses cheek filters which makes it fairly unique, cheek filters are ultimately a bad idea because they are impossible to change without removing the mask and difficult to swap even then due to stretching the rubber to insert them into the mask. There were three variants of the