Sundstrom SR 231 Chemical Cartridge, Push-to-Connect, Acid Gas Filter, P100 Filter

The SR 231 CL/HC/SD/FM chemical cartridge is used with Sundstrom half masks and full face masks air purifying respirators (APR) to provide protection against the following types of gases and vapors, CL protects against chlorine. HC protects against hydrogen chloride. SD protects against sulfur dioxide. FM protects against formaldehyde. This chemical cartridge is approved for independent use or can be combined with the Sundstrom particulate filter SR 510, P100 in order to obtain protection against aerosols (particles), example during spray painting.