This black and clear plastic lid is designed to fit the Powerblend Duet Processor and features a detachable blade and a dishwasher-safe parts for easy cleaning.
Not an exact fit. It would break if I forced it to turn and close all the way.
I double checked the part number and it is correct, but it is a little small—enough so that I fear I would break it if I forced it to close all the way. So I basically hold it in position instead.