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Watts OneFlow Carbon Block Under Sink Replacement Filter (Pack of- 2)

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Combo pack includes both carbon block cartridge and OneFlow cartridge
OneFlow cartridge rated up to 250,000 gallons or replace every 3 years
Carbon block cartridge has a 20 micron rating

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This replacement combo cartridge pack includes a radial flow carbon block 20 micron cartridge and a OneFlow (R) Plus scale prevention cartridge. The carbon block cartridge has a dirt holding capacity up to 2.2 pounds or 1 kilogram and reduces chlorine taste and odors up to 50,000 gallons or 189,000 liters at 3 GPM or 11.34 liters per minute. The OneFlow Plus media-assisted crystalization cartridge (MAC) is designed to reduce scale formation and must be replaced every 3 years or 250,000 gallons, whichever is earlier.

Combo pack includes both carbon block cartridge and OneFlow cartridge
OneFlow cartridge rated up to 250,000 gallons or replace every 3 years
Carbon block cartridge has a 20 micron rating
Carbon block cartridge rated up to 50,000 gallons at 3 GPM