Culligan Advanced D-30A Water Filter Replacement Cartridge, 1,000 Gallon, White - D-30A Advanced
The D-30A Advanced drinking water cartridge provides 12 months/ 1,000 gallons of refreshing drinking water by reducing chlorine, particulates and bad taste. The D-30A is compatible with the following systems, US-550, US-600A, SY-2000 and SY-2100.