an apparatus comprises an input chamber being configured for accepting a flow of material . an output chamber is configured for flowing the material along a first pathway and a second pathway . a diverter member is disposed within the input chamber . the diverter member comprises a half wing shape pivotally joined at a juncture of the input chamber and the output chamber . the diverter member is operable to be positioned at a first position for diverting the flow to the first pathway and to be positioned at a second position for diverting the flow to the second pathway . a lever mechanism is configured to be operable for moving the diverter member between the first position and the second position in which the flow is uninterrupted .