4-Pack 20″ Pre-Filter Cartridge
Sediment pre-filter replacement cartridge 4-pack, for use with the AquaShield™ Whole House Water Filter. Prevents dirt and sediment particles from entering and clogging the main filter unit. Replace every 2-3 months depending on water quality and sediment levels. Change when color darkens or water flow slows.
10″ Post-Filter Cartridge
Post-filter replacement cartridge, for use AquaShield™ Whole House Water Filter. Removes particulates 60 times smaller than the eye can see. This includes insoluble minerals and cysts. This cartridge should be replaced every 6-12 months.