Doulton W9125047 | Our#: 199479

Doulton 10" Nitrates Reduction Short Thread Filter - W9125047, 2-Pack

Doulton W9125047 | Our#: 199479

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  • Genuine OEM nitrate reduction filter from Doulton
  • Prevent the damaging effects of hard water on your kitchen appliances
  • Made in England

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  •  Fast Shipping & Free Returns
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Frequently Purchased Together

Product Details

Doulton nitrates reduction cartridge is designed to reduce nitrates in municipal water supplies. The nitrates-reduction water treatment cartridge is for use in the first chamber of the Doulton DUO housing followed by the Doulton NSF UltraCarb (W9123053) in the second chamber to achieve great-tasting filtered drinking water. How often you replace the filter will depend on quality of water in your local area and filtration needs.


  • OEM, factory-original product from Doulton
  • Fits Doulton DUO countertop systems
  • Fits Doulton DUO and TRIO undercounter systems
  • 10" filter with short thread
  • Reduces unwanted nitrates
  • The nitrate reduction pre filters should only be fitted into the DUO two-stage or the TRIO three-stage filter system before an Ultracarb® or BioTect Ultra® filter element

Replaces These Filters:


Fits In These Systems:

Dual Countertop
Dual Undercounter
DUO Systems
TRIO Systems