The CQE-RC-04000 Crystal Quest carbon block water filter cartridge provides the filtration necessary to remove chlorine taste and odor from your drinking water, while capturing dirt and sediment. A genuine OE part from the manufacturer, this filter reduces sediment and contaminants as small as 5 microns. For use in the manufacturer's countertop, refrigerator or undersink water filtration systems. Maintain the great-tasting drinking water served by your Crystal Quest filtration system by ordering the CQE-RC-04000 carbon block water filter cartridge from us today.