Very powerful cooling fan for different motorsport applications. ID 49mm, OD 53mm, Lenght 120mm. 2.6 m3/min flow. Fits 2" air duct. Works even with long hoses and withstands over 3000Pa static pressure. Power rating 67W. 2x AWG22 Supply wires. Dual rotor brushless construction, even one blade gets stuck other still continues to run. Weight 265g.