During use, the filter changes colour from green to brown to indicate when the filter is nearing the end of its life. Ideal for use alongside a blue ‘zero ppm’ filter to prolong filter life.
Please Note. To offer you the best prices in the simplest way possible, we have decided to end our UK loyalty card programme, as of 4th February 2019. We remain committed to offering our loyal customers fantastic deals, and we’ll keep you up to date with these via our promotional emails and mailings. Thank you. Dismiss