Specification:Aluminum construction, ensuring durability.Professional heat exchanger radiator.Pure aluminum heat sink, 1 inch 17-20 fin.The connector outer diameter is 9.5 mm.Suitable water-cooled computer CPU, industrial variable frequency drives, the laser head cooling,air conditioning evaporator and industrial control cabinet cooling.Type: Water Cooling RadiatorMaterial: AluminumFeature: with Fan, Professional, DurableFan Size: 120mm x 120mm/4.72" x 4.72" (Approx.)Mounting Hole Size: 105mm x 105mm/4.13" x 4.13" (Approx.)Dimensions: 12cm x 12cm/4.72" x 4.72" (Approx.)Note:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Water Cooling Radiator