Lexmark E450 High Yield Return Program Toner Cartridge . Page yield: 11000 pages, Compatible products: Lexmark E450dn, Printing colours: Black. Package weight: 1.315 kg, Package dimensions (WxDxH): 184 x 415 x 128 mm, Package dimensions (W x D x H): 183.9 x 415 x 128 mm (7.24 x 16.34 x 5.04")