You will receive the latest brass version of this cartridge. A952500NU11 Ideal Standard 1/2 Dx 1/4 Turn Ceramic Disc Cartridge (Clockwise Close). IMPORTANT - Please Read - This cartridge is used in basin taps and is NOT used in Trevi shower valves.IMPORTANT - Please Read If you require the cartridge which is used in the Trevi Therm shower valves, the link to the cartridge you need is here: Trevi A952501NU11 Cold Side Flow Cartridge.Technical InformationTotal Height: 45.5mm (From top of screw at the top to the bottom of the cartridge)Total Height: 43mm (From top (Excluding screw) at the top to the bottom of the cartridge)Diameter at Bottom O-ring 23.9mmDiameter of Thread: 24.8mmDiameter of Toothed spline: 9.3mmNumber of Teeth: 40 to 44 (Depending on the cut of vertical cuts)Cold or Hot: This cartridge is for the hot side.Close: Twist anti-clockwise to closeColours: Ideal Standard / Trevi manufacture the plastic body in both black and white. The colour of the body has no meaning. The metal part of the cartridge is brass and the top may have red on it.Materials: Brass and plasticNumber of O-Rings: 2This A952501NU11 cartridge is used in the following models: - A7640AA Domi Duo dual control one taphole bath filler - no handles - E7611AA Icarus dual control one taphole basin filler with pop-up waste - no handles Frequently Asked QuestionsQuestion: I need a cold counterpart that looks like this cartridge. What is the code for the cold? Answer: The cold version of this cartridge is Trevi A952501NU11.