Activated carbon for removal of airborne ammonia and amines. Chemsorb 620 is specifically designed for use in critical filtration applications such as breathing air respirators. The proprietary reagent used to impregnate this high activity coconut shell carbon has shown superior results for the adsorption of airborne ammonia and amines. Chemsorb 620 is virtually dust-free, ammonia-free and contains no priority pollutant metals such as copper, lead, mercury, nickel or chromium