Culligan D-250A Replacement Filter Set 0.5 um Filter Carbon Block Granular Carbon Filter Media

Set includes one granular-activated carbon cartridge and one activated carbon block cartridge. Under sink water filter cartridge fits in the Culligan models SY-2650, SY-2500, SY-2300, SY-2000 and SY-5197. The Culligan D-250A filter cartridge set is used instead of the Culligan D-250 filter cartridge set when MTBE is present in drinking water.