YSTD&reg; 240mm Aluminum Computer Radiator Water Cooling Cooler 2 Fans For CPU Heatsink System features: pure aluminum fins, 1 inch 17 - 20 fin Parts brazing seal as a whole, The sealing process: vacuum aluminum brazing Surface treatment: dark green paint, Joint: disposable stainless steel band Can be installed 2 x 120 fan, mounting hole size: 105Dx 105Wmm Suitable for computer CPU cooling, industrial frequency conversion driver, laser head cooling, air conditioning evaporator and industrial control cabinet cooling