Product Name: Water Cooling Radiator Product Specifications: - Fin density: 18 lines per inch - Color: Black; Product Weight:320g - Type: Water Cooling; Material: Aluminum - Mouth: 9.5 (D) mm; Model Number: 240mm; - Longer Screw Size: 31 x 3 mm / 1.2'' x 0.12''(L*D); - Size: 275 x 240 x 27 mm / 10.1'' x 9.4'' x 1.06''(L*W*H); - Tube Quantity: 12; Fit ID Tube Inner Diameter: 8 -12mm / 0.3'' - 0.5'' - Fit ID Tube Outer Diameter: 9.5 mm / 0.37''; Shorter Screw Size: 7 x 3 mm / 0.3'' x 0.12''(L*D) Product Features: - Pure aluminum fins - Parts brazing seal as a whole - Surface treatment: Dark paint - Joint: disposable stainless steel-band - The sealing process: vacuum aluminum brazing - Item Type: Computer Radiator Water Cooling Cooler; Material: Metal - Can be installed 120mm fanX2, mounting hole size: 109.5（D）×109.5（W）mm ✔Optimized for high performance at low cost,No weak welds nor leakage. ✔Suitable for computer CPU cooling, industrial frequency conversion driver, laser head cooling, air conditioning evaporator and industrial control cabinet cooling. Package Included: 1 x Aluminum Heat Exchanger 1 x 1M Tube NOTE: Screw holes below is channel pipe, so make sure not to use long screw, will top leaking. "