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Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 2
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 3
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 4
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 5
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 6
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 7
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 8
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 9
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 10
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 11
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 12
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 13
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 14
Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb - Image 15

Doulton® QT Under Sink Water Filter System with Doulton® Ultracarb

Original price was: $430.00.Current price is: $330.00.

Doulton® QT Under Sink Water Filter System

NSF Certified | Made in the UK | Easy DIY Installation

Enjoy fresh, clean, and great-tasting water straight from your kitchen tap with the Doulton® QT Under Sink Water Filter System. This compact, easy-to-install system fits neatly under your sink—keeping your countertops clear while delivering premium water filtration performance.

What’s Included:

  • ✅ 1 Doulton Ultracarb® Ceramic Water Filter (NSF Certified) (Included)
    – Effective up to 1,500 litres / 400 gallons

  • ✅ DIY Easy Installation Kit  plus 3/8″ John Guest Angle Stop Adapter Valve (Included)

  • ✅ Doulton Pillar Faucet (Included)

  • ✅ Single-Stage Filter Housing (Included)
    – Holds 1 Ultracarb ceramic filter element

Filtration Performance (NSF Certified):

The Ultracarb® ceramic filter effectively reduces:

  • Microplastics

  • PFAs (Forever Chemicals)

  • Pathogenic bacteria (e.g., E. coli)

  • Parasites (e.g., Cryptosporidium)

  • Chlorine

  • Sediment & fine dirt

  • Pesticides & solvents

  • Foul tastes & odours

  • Lead & other heavy metals
    …and much more — while retaining essential minerals your body needs.

Key Features:

  • Easy DIY Installation – No need for a plumber!

  • Long-Lasting Filter – Replace every 400 gallons (depending on water quality)

  • Made in the UK – Since 1826, Doulton has been crafting high-quality water filters in an EPA-registered facility

  • 3/8″ Push-Fit Inlet & Outlet – Fits standard 3/8″ flexible plastic pipe

Specifications: 

Width: 10.8 cm / 4.3″
Height: 36.1 cm / 14.2″
Depth: 11.1 cm / 4.4″

Need to Remove Fluoride?

Check out the [Doulton DUO or TRIO Under Sink Water Filter System]  

Watch Installation Video:

[How to Install the Doulton QT System] 

15 in stock

  • Doulton® Under Sink Water Filter System Includes:

    Canada Water Filter Sale: Save 5% Off

    When You Add Spare Filters!

    Buy any Doulton® Under-Sink Water Filter System
    + Add spare filters to your order
    = 5% OFF your entire order!

     No code needed — discount applied automatically at checkout.

Category:

Description

Doulton® QuickTurn Under Sink Water Filter System with Doulton® Ultracarb

  • NSF/ANSI 42 – Aesthetic Effects (taste, odor, chlorine)
  • NSF/ANSI 53 – Health Effects (lead, cysts, heavy metals)
  • NSF/ANSI/CAN 401 – Emerging Contaminants (pharmaceuticals, PFAs, BPA)

    NSF Certified | 230+ Contaminants Reduced | Made in the UK

    Enjoy great-tasting, safer drinking water straight from your tap. The Doulton® QT Under Sink Water Filter System features the powerful Ultracarb® W9123053 Ceramic Filter, NSF certified to reduce over 230 contaminants—including bacteria, lead, microplastics, chlorine, and much more—while retaining the essential minerals your body needs.

    What It Does: Clean Water. Peace of Mind.

    The included NSF-certified Doulton® Ultracarb® W9123053 filter effectively removes:

    • Suspended solids and turbidity (cloudiness)

    • Pathogenic bacteria (E. coli, Cholera, Typhoid, Shigella, etc.)

    • Parasites & cysts (Cryptosporidium, Giardia)

    • Lead & heavy metals

    • Free chlorine (taste & odor)

    • Pesticides, insecticides, herbicides

    • Phenols, trihalomethanes (THMs), and other organic chemicals

    • PFAs (“forever chemicals”) and microplastics

    • Over 230 known harmful contaminants

    Filter Life:

    • Up to 1,800 litres / 500 gallons or 12 months (depending on water quality)

    • Only the Ultracarb® Ceramic Filter needs to be replaced — recyclable and sustainable

    Quick-Change, Space-Saving Design

    • Installs easily under your sink – discreet and compact

    • Connects to your mains cold water feed

    • Includes a dedicated Doulton® faucet for filtered drinking water

    • Tool-free filter replacement with quick-change design

    • Made from BPA-free food-grade plastic, pressure-safe for continuous use

    Sustainable & Low Maintenance

    • Ceramic filters can be cleaned, reused, and even composted (smashed and buried)

    • Built with natural, sustainable materials — good for you and the planet

    • Designed to provide long life, low-waste filtration

    NSF Certification

    Doulton® Ultracarb® Filters are independently certified to meet the most rigorous health and safety standards:

    Lab Test Data – Link #1 | Link #2

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