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Doulton® HIP TRIO 3-Stage Under-Sink Water Filter System
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Doulton® HIP TRIO 3-Stage Under-Sink Water Filter System

Original price was: $560.00.Current price is: $460.00.

Doulton® HIP TRIO the Ultimate 3-Filter Under Sink Water Filtration System – 
Enjoy triple the levels of protection to remove Fluoride, PFAS & Chlorine Reduction and much more with the Doulton HIP TRIO under sink water filter system. With three stages of advanced filtration, this discreet solution is placed in the cupboard under your sink. 

Enjoy clean, fresh-tasting water right from your tap with the compact and easy-to-install Doulton® HIP TRIO Under Sink Water Filter System. Designed to fit neatly under your sink, this advanced 3-stage filtration system removes a wide range of contaminants including fluoride, chlorine, bacteria, microplastics, PFAs, heavy metals, and more — all while keeping your countertop clear and your water tasting great.

What’s Included:

  • 1 x Doulton Ultracarb® Ceramic Filter (NSF Certified) – lifespan approx. 1500 litres (400 gallons) (Included)

  • 2 x Empty Chambers for Additional Pre-Filter Cartridges (Select/Choose your 2 water filter options)

Specifications: 

Width: 29.2 cm / 11.5″
Height: 32.0 cm / 12.6″
Depth: 9.8 cm / 3.8″

Doulton HIP TRIO 3-Stage Under-Sink Water Filter System – Customize Your Filtration

Choose your filtration configuration by selecting filters for Chambers #1 and #2. Chamber #3 is always equipped with the Ultracarb® ceramic filter.

Chamber 1 Chamber 2 Chamber 3
Limescale Fluoride Ultracarb®
Nitrate Fluoride Ultracarb®
Limescale Nitrate Ultracarb®
Limescale PFAS Ultracarb®
Nitrate PFAS Ultracarb®
Fluoride PFAS Ultracarb®

Key Benefits:

  • Effectively removes fluoride

  • Eliminates pathogenic bacteria such as E. coli

  • Filters out parasites like cryptosporidium

  • Removes chlorine, PFAs, pesticides, solvents, fine dirt, and sediment

  • Reduces lead and heavy metals

  • Improves taste by eliminating foul odors and tastes

  • Removes nitrates and many other harmful contaminants

Easy to Install & Maintain

The system uses simple 3/8″ push-fit inlet and outlet connections, compatible with 3/8″ flexible plastic pipes. DIY installation is straightforward with included instructions and video guidance. Regular maintenance is minimal with long-lasting filter cartridges.

  • Separate dedicated faucet or a 3 way faucet tap needed for usage.

Quality You Can Trust

Manufactured in the UK by Doulton, a trusted name in water filtration since 1826. The system is made in an EPA-registered establishment ensuring high standards of quality and safety.

Watch How to Install

Watch Installation Video

 

14 in stock

  • Doulton HIP TRIO 3-Stage Under-Sink Water Filter System Includes:

    *Chamber #3 Filter

    * 

    Select Chamber #2 Filter:

    Choose an additional second filter to use in combination with the included UltraCarb Filter.

    * 

    Select Chamber #1 Filter:

    Choose an additional first filter to use in combination with the included UltraCarb Filter.

    **10% Off Doulton Under Sink Sale**

    Purchase a Doulton Under Sink Water Filter System with Accessories Addons or  Spare Additional/Extra Filters & SAVE 10% off the Total Price! 

    (Discount Automatically Applied at Cart)

    Extra Filters & Accessories Addons:

SKU: W9380002 Category:

Description

Doulton® TRIO 3 Stage Under Sink Water Filtration System 

The Ultimate Under Sink Water Filtration Solution for Clean, Healthy, Great-Tasting Water

What We Can Do for You

The Doulton® TRIO system is engineered to deliver great-tasting, purified water for your entire family. It includes the premium W9123053 Ultracarb® Ceramic Filter, which removes over 230 impurities including suspended solids, cloudiness, parasites, pathogenic bacteria, chlorine, bad taste, lead, and many more. Additional filters for fluoride and PFAS reduction are also included to tailor your water filtration needs.

Made from BPA-free, food-grade plastic, this robust system is designed for constant underwater pressure and long-term durability.

Quick-Change, Space-Saving Design

The TRIO system is compact and easy to install under your sink, keeping countertops clutter-free. The quick-change design allows effortless replacement of the ceramic filter candle and water treatment cartridges, ensuring minimal downtime and maintenance.

Connect it directly to your mains cold water feed for a dedicated drinking water faucet — clean water whenever you need it.

Low Maintenance & Sustainable

Equipped with the long-lasting Ultracarb Ceramic Filter (W9123053) providing up to 600 gallons (approx. 1800 liters) of purified water. Only the Ultracarb Ceramic Filter, fluoride reduction cartridge, and PFAS chlorine reduction cartridge require replacement.

The ceramic filters are eco-friendly — recyclable or biodegradable by breaking down naturally in your garden, leaving only the thread and cartridge for recycling.

Trusted Filtration Since 1826

Doulton has nearly 200 years of experience innovating water filtration technology, exporting to over 140 countries worldwide. Their ceramic filters use sustainable natural materials and deliver up to 99.9999% bacterial filtration.

These filters reduce over 230 contaminants, including sediment, chlorine, heavy metals (lead), microplastics, fluoride, PFAS, and many others.

Included Filter Details:

Chamber #3: Doulton® Ultracarb® Ceramic Filter (W9123053-01) – NSF Certified

  • Lifespan: 1800 Liters / 500 Gallons

  • Filtration efficiency:

    • Removes 99.99% of bacteria and cysts (E. coli, cholera, cryptosporidium, giardia, etc.)

    • Removes 97% of free chlorine

    • Reduces lead by 99.99%

    • Removes pesticides, solvents, phenols, herbicides, and more

  • Filtration rating: nominal 0.5 microns, absolute 0.9 microns

  • Manufactured in England

  • Separate dedicated faucet or a 3 way faucet tap is needed for usage.

Filter Options for Chamber #1 & #2 (Choose Your Configuration):

Filter Option Description Lifespan
PFAS Chlorine Reduction Cartridge (W9142014-01) Reduces PFAS and chlorine; 99% fluoride removal 1800 Liters/500 Gal
Fluoride Reduction Cartridge (W9125030-01) Removes fluoride with 99% efficiency 1800 Liters/500 Gal
Nitrate Reduction Cartridge (W9125047-01) Reduces nitrates 1800 Liters/500 Gal
Limescale Reduction Cartridge (W9125010-01) Reduces limescale and chalky taste 1800 Liters/500 Gal

What Does NSF Certified Mean?

NSF certification ensures the highest standards for public health protection, verified through rigorous product testing and materials analysis.

Ultracarb Filters are NSF Certified for:

  • NSF/ANSI 42 — Aesthetic Effects (taste, odor, chlorine)

  • NSF/ANSI 53 — Health Effects (lead, cysts, VOCs)

  • NSF/ANSI/CAN 401 — Emerging Contaminants (PFAS, pharmaceuticals)

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