The 620227137 is a replacement oil filter cartridge kit for the Temprite 137A oil-management housing, 3.5 in x 7 in element format, suitable for R744 (CO2) service. It captures particulate from the coalescent oil-return line in transcritical and subcritical CO2 systems. Applications include CO2 supermarket pack systems, industrial CO2 refrigeration, and marine CO2 reefer plant with Temprite oil separators.