Oki B401 25K Image Drum Black 44574307A product which has been formulated to create image filled and text based documents of outstanding quality on a consistent basis, this OKI imaging drum unit will get the best results from your B401, MB441 or MB451 printer. This product also requires a remarkably easy installation process and is just as simple in terms of maintenance. This OKI image drum offers a page yield up to 25,000 pages. Colour: Black Replaces worn parts with fresh components