The Doby Hard Water Filter is perfect for medium hard water areas. However, if you live in a high or very hard water area, such as the south east of England, then the most effective hard water filter for you is our Moby OneFlow, Moby Taste and OneFlow, or even our whole house Doby OneFlow Hard Water Filter.
Our Doby Hardness whole house water filter reduces scale in medium hard water areas therefore perfect for south east of England households and businesses.
An effective limescale filter, the Doby also improves the taste and smell of your mains water and removes chlorine and sediments.
The Doby hard water filter fits to your cold water tap so there's no need for a separate water filter tap.
The Doby is an undersink water filter and when fitting allow for a minimum of 28" (72cm) height x 12" (30cm) width x 7" (18cm) depth.
No, you don't. You can install your mains water filter wherever the cold water supply enters your house. This could be a utility room, garage, or other location.
* Watts components are sometimes replaced with other similar quality items due to supply chain issues. Brassware and other plumbing accessories are sourced from UK suppliers.
SKU: WCBFF20
5 micron carbon block water filter cartridge for a 20 inch housing.
SKU: FFK-DOBY
The Doby whole house water filter system is the ideal choice for an entire house.
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