Surplus Gas Masks | Is my Gas Mask and Filter Safe to Use?
· E-014 Gas Mask Filters. Another filter known to have asbestos in them is the E-014 filter. The Soviet Military style filters might have a little less asbestos than those in WWII, but still not as safe as the newer, non-asbestos filters. How to Clean Your Gas Mask. No matter the gas mask you purchase, new or old, you need to clean it.