Content Accuracy
All facts, figures, and technical specifications on this site are correct at the time of writing (January 2026). Water industry data, pricing, and regulations change frequently. We review and update our content quarterly to maintain accuracy. Click the citation links throughout our articles to verify current information from official sources.
Technical Specifications
Product specifications and performance data are sourced directly from manufacturer documentation, certification body standards (NSF International, WQA), and official government sources (DWI, Ofwat, DAERA NI). We do not make claims that cannot be verified.
Disclaimer
Filter Authority provides educational information only and does not constitute professional advice. We are not affiliated with any water companies or filter manufacturers. Always consult with a qualified plumber or water treatment professional before purchasing filtration equipment. If you have health concerns related to water quality, consult your GP or NHS 111.
Product Opinions
All product reviews, recommendations, and opinions expressed on this site are based on 24 years of professional experience in water filtration. These are personal opinions formed through hands-on work with these systems across the UK. Your experience may vary depending on your specific water chemistry, installation conditions, and usage patterns. We encourage you to research products independently and make informed decisions based on your individual circumstances.
External Links
This site links to official UK government sources (DWI, Ofwat, Environment Agency), certification bodies (NSF, WQA), and peer-reviewed research. While we monitor these links regularly, government websites occasionally restructure their URLs or remove content. If you encounter a broken link to an official source, please contact us and we'll update it promptly.
Last Link Check: January 2026 | Next Check: April 2026
Last Updated: January 2026 | Next Review: April 2026