ITEM NAME:Aluminum Water Liquid Cooler Block Warm System For Computer Radiator 40x80mm Description: Product Name : CPU Water Cooling Block. Leak rate of less than 5X10-6 mbar.l/s parts. Internal fin thickness 0.5MM,processing: vacuum aluminum brazing. Applicable to computer CPU water, industrial inverter driver, head cooling, OD G3/8" (9.5 mm),can be used to connect soft tubes with 7 mm-8 mm inner diameter. Specification: Material: Pure aluminum Processing: vacuum aluminum brazing Package Includes: 1 Piece Aluminum Cooling Block.1 Piece Aluminum Cooling Block. Applicable to computer CPU water, industrial inverter driver, head cooling. Material: Pure aluminum. Internal fin thickness 0.5MM,processing: vacuum aluminum brazing.