This is an OEM Replacement Part manufactured and branded by All Points
New Style Cb-10 Outer Lid For Center Lid Use 28-1703. Old Style Stopper 28-1045 Will Not Work. Waring Blender 31Bl67, 31Bl79, 32Bl39, 33Bl12, 33Bl13, 34Bl22, 34Bl23, 37Bl84, 38Bl19, Cb15