【COMPATIBILITY】- The lid flap replacement for ninja only fits for OLDER square locking lid of ninja blender 72 oz pitchers. The compatible models include BL660, BL660A, BL660C, BL660W, BL660WM, BL663CO, BL665QBK, BL740, BL740C, BL770, BL770A, BL770BRN, BL770W, BL771, BL771C, BL772, BL772QBK, BL772QCN, BL772QPL, BL772QT, BL772QWH, BL773CCO, BL773CO, BL780, BL780C, BL780CCO, BL780CO and more. More models, please check the images of NO.2&NO.3 CAREFULLY before buying in case of yours doesn't match.