UD12. Fits Most Brands of Coffeemakers: Mr. Coffee (Lid B): TRX20; Proctor Silex (Lid A): A607, 42301, 42034, 42341, 42351, 42394S, 42455, 42457, 42461; West Bend (Lid B): 56606, 56630, 56640, 56650, 56660, 56810; Black & Decker (Lid B): DCM300W, DCM703C, DCM902WH, DCM912HK, DCM913BK, DCM9003WH; Regal (Lid B): K7670; Chef Mate (Lid A): 724 424. This box contains two lids. Appropriate lid for a given brad indicated in parenthesis in text above. UD12 may fit other models and brands not listed here.