Based on this product's specifications, here are some alternatives and similar models
Gas Absorber 3M A1B1E1 for ADFLO 837242 (MPN 7000028043)
Summary description:
Replaceable gas absorber 3M A1B1E1 designed for use with ADFLO powered air systems (model 837242). Cartridge provides protection against a range of organic, inorganic and acidic gases per A1B1E1 classification. Suited for applications requiring respiratory protection from specified gases in industrial and maintenance environments. Easy to install and replace, compatible with listed ADFLO unit.