FFL-152L FilterLogic compatible the SubZero Pro48 + Models 4134313USAGE: The FFL 152L FilterLogic branded compatible cartridge is a direct replacement cartridge for the SubZero Pro48 + Models 4134313. This cartridge will fit Built in or 600 series Sub Zero fridges which have serial numbers from 4134313 onwards and all Integrated and Pro48 models. When using this high quality compatible filter you can expect the same filtration as the original with up to a 30% saving. DESCRIPTION: This compatible cartridge is