Aquasana AQ-4000 Drinking Water Filter Replacement Cartridges A & B, Lasts 6 months/500 gallons!

New cartridge o-rings also included.
Filters last 6 months/ 500 gallons.
Filters out; Lead, chlorine, VOCs, MTBE and chlorine resistant parasites/cysts.
Sub-micron filtration.
Guaranteed Best Performance!

• Highest Level Of Filtration Available Anywhere
• Best per gallon cost of any leading brand, 9 cents a gallon!
• High Capacity, 500 gal./6 month.
• Easy Installation.

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