A windscreen wiper blade including: a monolithic support frame that includes an inner housing formed within a body of the support frame; a wiping strip with a wiping edge able to engage with a surface of a window and a top heel that engages with the support frame; a pair of ribs that: extend from a bottom face of the support frame, and latch onto the top heel of the wiping strip; a central spine disposed within the inner housing; and an aerodynamic deflector that extends from a top face of the support frame.