Best Gas Mask for a Civilian 2017

Some of the best gas masks on the surplus market, suitable for civilians in 2017. A sequel to my popular video on the same subject from a few years ago, however, the video now only focuses on 40mm NATO masks due to the easier supply of filters. 40mm NATO filters being the most numerous type of military filter on both the surplus market and available to be bought new. The four masks featured in the video are the: Israeli civilian gas mask/Shalon 4a1 Drager M65 gas mask Avon CT12 Forsheda F2 A4 Many industri