... radiating heating radiator, aluminum radiator, bathroom radiator, heater radiator, room radiator, home radiator, water radiator. Item No& size ... 500MMThermal output: 1156w( it's suitable for 11-12sm room)collection diameter: G3/4"; 1/2" or 1"Net Weight ... heating radiator, aluminum radiator, bathroom radiator, heater radiator, room radiator, water radiator, central heating radiator, heating radiator.