In the early years of the 19th century the company that would become Armitage Shanks was founded with a simple objective; to produce sanitaryware of exceptional quality. Now, in the early years of the 21st century, this philosophy, supported by in technology and traditional manufacturing skills, still remains at the core of our business. This model can be used with single & dual flush push buttons - not included but are available to purchase separate.c. An extensive range of reliable and functional Concealed Cisterns. This range offers unrivalled choice in terms of both water supply and choice of activation method, making these cisterns suitable for any installation, in any environment, giving consumers and developer's unsurpassed choice. With a compact design and components pre-fitted, these Concealed Cisterns are the perfect choice for installers and maintenance.