Cordivari Ardesia column radiator 4 columns/4 elements - Height 1800 Interaxis 1744 (mm)Cordivari Ardesia column radiator 4 columns 4 elements Height 1800 Interaxis 1744 (mm) Ideal for rooms up to approximately 9 m2 with an average height of 2. 7 m Column radiators offer a unique combination of efficiency, aesthetics and versatility, making them an excellent alternative to traditional aluminum radiators . The reasons why multi column systems are preferred to traditional aluminum radiators are many and are based on their vertical