Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 2
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 3
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 4
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 5
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 6
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 7
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 8
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 9
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 10
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 11
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 12
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 13
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 14
Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters - Image 15

Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb & Fluoride Reduction Ceramic Filters

$535.00

Doulton DUO 2-Stage Under Sink Water Filter System – Fluoride Removal

Enjoy clean, great-tasting water straight from your tap with the Doulton DUO Push Fit Under Sink Water Filter System. Designed to fit discreetly under your sink, it keeps your countertop clutter-free while delivering high-quality filtration that removes fluoride and a wide range of contaminants.

What’s Included:

  • 1 x Doulton Ultracarb® Ceramic Filter (NSF Certified) – lasts up to 1500 Litres (400 gallons) (Included)

  • 1 x Doulton Fluoride Reduction Cartridge (9B04) – reduces fluoride up to 3,750 ppm (Included)

  • 1 x Pillar Faucet Tap for easy access to filtered water (Included)

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

Specifications: 

Width: 19.3 cm / 7.6″
Height: 32.0 cm / 12.6″
Depth: 9.8 cm / 3.8″

Features:

  • 2-stage filtration: Dual filter chambers house the Ultracarb® ceramic element and fluoride reduction cartridge

  • Effective contaminant removal: Chlorine, bacteria (including E. coli), parasites, pesticides, heavy metals like lead, microplastics, PFAs, solvents, foul tastes and odors, and more!

  • Compact design: Fits neatly under your sink without taking up much space

  • Simple maintenance: Replace Ultracarb every 500 gallons, fluoride cartridge every 500 gallons (depending on water quality)

  • Made in the UK: Trusted quality from Doulton, pioneers in water filtration since 1826

Benefits:

  • Removes fluoride and other harmful chemicals

  • Protects against pathogenic bacteria and parasites

  • Improves taste and odour of your water

  • Easy installation and DIY-friendly

  • Long-lasting filters for reliable performance

Installation Video

How to Install Your Doulton DUO Under Sink Water Filter System – Watch Here

14 in stock

  • Doulton® HIP DUO Under Sink Water Filter System Includes:

    Summer Sale: Save 5% 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.

SKU: W9380040 Category:

Description

Doulton® HIP DUO Under Sink Water Filter System with Doulton® Ultracarb and Doulton® Fluoride Cartridge

Great Tasting, Pure Water for Your Family

The Doulton® DUO Under Sink Water Filter System delivers clean, fresh-tasting water directly from your dedicated drinking water faucet. This compact and space-saving system fits neatly under your sink, providing your household with safe, filtered water while preserving valuable countertop space.

What’s Included:

  • Doulton UltraCarb Ceramic Filter (W9123053):
    Removes over 230 impurities including suspended solids, cloudiness, parasites, pathogenic bacteria, chlorine, bad taste, lead, and more.

  • Doulton Fluoride Reduction Cartridge (W9125030-01):
    Highly effective at reducing fluoride levels by 99%.

  • BPA-free, Food-Grade Plastic Housing:
    Designed to withstand continuous underwater pressure.

  • Dedicated Drinking Water Faucet:
    Easy access to filtered water straight from your sink.

Easy Installation & Maintenance

  • Quick-Change Design:
    Replace the ceramic filter candle and fluoride cartridge easily without professional help.

  • Low Maintenance & Sustainable:
    Each filter element lasts up to 600 gallons (about 12 months) depending on water quality.
    The ceramic filter is recyclable or can be broken down naturally in your garden, minimizing environmental impact.

Advanced Filtration Technology Since 1826

Doulton has been a pioneer in water filtration for nearly 200 years. Manufactured in the UK and exported worldwide, Doulton’s filters use natural, sustainable materials to provide up to 99.9999% filtration of bacteria and reduce more than 230 contaminants, including sediment, chlorine, heavy metals (like lead), microplastics, fluoride, and many more.

Filtration Stages:

Stage 1 – Fluoride Reduction Filter:

  • Lifespan: 1800 Litres / 500 Gallons

  • Removes 99% of fluoride from your water

Stage 2 – UltraCarb Ceramic Filter (NSF Certified):

  • Lifespan: 1800 Litres / 500 Gallons

  • Significantly improves taste and smell

  • Removes 99.99% of bacteria and cysts (E. coli, Cholera, Cryptosporidium, Giardia)

  • Removes heavy metals (Lead 99.99%), chlorine (97%), pesticides, herbicides, solvents, and more

  • Nominal filtration: 0.5 microns | Absolute filtration: 0.9 microns

  • Manufactured in England

NSF Certification Explained

The UltraCarb filter is NSF certified to meet rigorous public health standards:

  • NSF/ANSI 42: Aesthetic effects (taste and odor)

  • NSF/ANSI 53: Health effects (contaminant removal)

  • NSF/ANSI/CAN 401: Emerging contaminants/incidental compounds

These certifications ensure the filter is tested and proven effective for safe drinking water.

Additional Resources

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