Culligan Carbon Block Under Sink Replacement Water Filter Cartridge - 6M The Culligan D-40A Premium Filtration cartridge reduces. The replacement cartridge fits model US-600A. The cartridge is for point-of-use under-sink applications. The filter is not for point-of-entry... $56.99
Culligan Under-sink Drinking Water Replacement Cartridges - 2 pk The D-10A basic drinking water cartridge provides 250 gal of refreshing drinking water filter for US-600A. The Culligan D-10A under-sink replacement cartridges greatly improves water quality by... $15.99
