The Bathstore dual flush concealed cistern is incorporates a polished chrome flush button, and has top access with a removable lid.The cistern tank has a polystyrene insulation jacket to prevent condensation build up during cold weather, leading to water dripping in the cistern void.The flush volumes are factory pre-set at 6 litres for a full flush, and 3 litres for a half flush. The flush volumes as well as the water level can be adjusted on site.The cistern is used in conjunction with back to wall pans and wall hung pans. It is used where there is access to the cistern from the top for maintenance. This would require a removable lid/worktop in the furniture unit or the stud wall.The dual flush button is cable operated for easy, smooth operation. The cable is made from stainless steel for extra durability and corrosion resistance.