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Price: 354.95 GBP
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Doulton® HIP DUO Under Sink Water Filter System with Biotect® Ultra
Doulton® Biotect® Ultra SI (2505)
Doulton® Diverter Valve
Doulton® Limescale Reduction Cartridge (9A04) for DUO & TRIO systems
Doulton® Heritage Gravity Filter System
Doulton® HIP TRIO Under Sink Water Filter System with Biotect® Ultra
Enjoy triple the levels of protection 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 and is recommended for use with the Doulton Pillar Tap or integrated with the Doulton Three Way Mixer Tap (each sold separately). Please see FAQs for more details. The HIP TRIO system allows for enhanced contaminant reduction through your choice of two pre-filter cartridges. After the water passes through the prefilters it then flows through our independently tested Biotect® Ultra Filter – our most popular filter that effectively reduces up to 99.99% of common contaminants including the following in varying levels, which can be viewed on our performance claims table here. Bacteria and cysts (including Giardia and Cryptosporidium) Common insecticides and herbicides Microplastics Heavy metals such as: lead, cadmium and mercury Chlorine and monochloramine All of the claims for the Doulton HIP TRIO water filter system are independently tested to a range of NSF/ANSI standard protocols. An installation pack is included with your order, free of charge. So, whether you’re an avid DIYer, or prefer to call in the professionals, installing the system can be done on average within an hour. If you need an additional guidance with this, or any other information, please contact our customer service team by emailing filtersales@doulton.com For further information, please refer to the FAQs section below.
Product information updated: 05 Nov 2026
Disclaimer: Product information, including title, description, and images, is sourced/provided by our affiliate partner: Doulton.
Disclaimer: Some of the links on this website are affiliate links, meaning we may earn a commission if you click through and make a purchase. This comes at no additional cost to you.
By clicking the button above, you acknowledge that you will be redirected to a third-party website and agree to their terms and conditions.
Product information, including title, description, and images, is sourced/provided by our affiliate partner: Doulton.
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