Reduce Fluoride from Your Water Using the Doulton DUO and TRIO water filtration systems? You can easily add this fluoride reduction element to reduce the levels of fluoride in your water supply. Designed to reduce fluoride in drinking water. Use ahead of your ceramic water filter element. Works with the Doulton DUO and TRIO systems. For best results, replace every 3 months. Dimensions: About 10"H x 1.9"W. Made in the UK.
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