This is a water evaporator/cooling block with 9 fins built-in. Ideal for CPU cooling or peltier cooling. Comes with mounting holes for 90cm cooling fan.
Dimension: 122mm x 90mm x 40mm (4.9" x 3.6" x 1.6")
Matched fan size: 9cm fan
Fan mount: X=82mm, Y=82mm
Intake/Outlet: 8mm O.D./ 6mm I.D.