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Watts Pure H2O High Capacity Carbon Filter

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Pure H2O Single Stage 15 Inch QT High Capacity Filter


This 15 inch high capacity carbon block filter is designed to fit the Pure H2O under counter water filtration system.This replacement filter reduces sediment, chlorine, taste, odor, and cyst. It has a 1.5 GPM flow rate. For best results, the filter should be changed every 10,000 gallons or up to 1 year. It fits the high capacity QT system.


Filter life may vary based upon local water conditions or use patterns.



  • Replacement filter for system: H2O-DWCB100
  • Provides superior filtration for all the cold water to your faucet
  • Reduces chlorine, taste, odor, and cysts
  • Reduces sand, silt, dirt and rust
  • Quick and easy installation with just a quarter-turn
  • 10,000 gallon capacity
  • Certified for lead free compliance


Note - Certified for Cyst, Sediment, and Chlorine Taste and Odor when used in System: H2O-DWCB100 - Watts Pure H2O High Capacity Filtration System.



Reduction Claims Validated for this unit by WQA

  • Certified to NSF/ANSI 42 For the Reduction of Chlorine Taste and Odor and Sediments
  • Certified to NSF/ANSI 53 For the Reduction of Cysts
  • Certified to NSF/ANSI 372 For Lead-Free Compliance*


*LEAD-FREE: The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.



Parameter Minimum Maximum
Operating Temperatures: 40 °F (4.4° C) 100 °F (37.8° C)
Operating Pressure: 10 psi (69 kPa) 125 psi (862 kPa)
pH Parameters: 5 10
Flow Rate: N/A 1.5 GPM



  • 10 IN x 3 IN