approx. 22 x 22 cm and is approx. 1.2 cm thick. · suitable for single room heating systems, such as heaters, fireplace inserts or stoves · heat resistant up to approx. 600/700°C · unsuitable for fan-assisted burners and combustion systems. · Ash cone must not extend directly under or into the grate · Pay attention to freedom and stretching on all sides · circumferential gap in the grate bearing must be present · Pay attention to the correct position (top/bottom).