It is produced with ISO - 9001 certificate of quality in accordance with TS EN 442 standards. While each radiator is subjected to 13 bar pressure test, it is durable to 10 bar operating pressure. Extra panel radiators have 33,3 m pitched water circulation channels and maximum heat efficiency with its convector surface. It is stylish with its smooth surface and aesthetic design. It gives an elegant appearance by presenting alternative options to architectural decoration of the environment.