3M Aqua-Pure AP Easy C-LC Drinking Water Filter Cartridge (56180-11) Model C-LC for AP Easy LC Sanitary Quick Change (SQC) Design helps provide no spill, no mess cartridge change-out Capacity: 750 gallons (2,839 liters) 0.5 Micron Nominal Cold Water Use Only (up to 100-DegreeF/37.8-DegreeC) C-LC - Filter Cartridge.