2 pin Fan extension cable 90cm  (900mm) long designed for easy connection of many types fans using JST XHP 2 pin connectors to Ramps & Rambo control boards without having to become an expert in crimping.  Dupont header type connector has 2.54 mm pitch and so will fit molex equavalent molex socket. Enables the use of a wide of fans from various manufactures, suitable for use on Prusa i3 family.