Click to open image viewer. A Shalon Chemical Industries Ltd., adult model 4A1, Nuclear, Biological, and Chemical (NBC), black, rubber gas mask (2016.122a), with a Type 80, NBC filter canister ...

In research that could lead to better gas mask filters, scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have been putting the X-ray spotlight on composite ...

The Defense Ministry, working with the Shalon company, has developed a new gas mask filter that allows wearers to breath easier. Dozens of the filters have been produced in recent weeks in a test run.

(PhysOrg.com) -- While current cigarettes are made with a filter created from cellulose acetate which absorbs things like nicotine, tar, and polycyclic aromatic hydrocarbons, Chinese researchers have ...

Israel has a shortage of civilian gas masks, but you wouldn’t know it from walking down Manhattan’s St. Mark’s Place, where the masks are on sale in half a dozen stores for a mere $25 each. The ...