ball valve Tap inner ceramic disc cartridge 35mm in diameter Replacement valve made of plastic with the ceramic disc inside. Fit for Kitchen Bathroom sinks baths bidets shower valves Waterfall taps designer taps built in or exposed mixer showers. Measure your tap cartridge before purchase this tap cartridge diameter is 35mm. The ceramic sheet adopts dry pressure process not easy to wear. If you have any questions please do not hesitate to contact us. Thank you for coming wish you a happy life！