TAP MAGICIAN - THE CERAMIC DISC VALVE EXPERTS. 1 YEAR WARRANTY ON ALL VALVES.;Listing is for one pair of valves to repair one set of taps. You will receive one clockwise opening valve and one anti-clockwise opening;BSP 3/4 quarter turn cartridge for Bristan taps. Please check the dimensions in the photo carefully before ordering to ensure compatibility with your particular model;Tap Magician are available for technical support and help - contact us for fast and friendly advice;These valves form part of Tap Magician PREMIUM Range, these valves are made with the hardest ceramic available and suitable for the hardest water. Can't see your size? Visit our website to view our full extensive range (google tap magician). Spare parts available and full fitting instructions provided.