Lexmark E450 High Yield Toner Cartridge . Page yield: 11000 pages, Compatible products: Lexmark E450dn. 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"), Package weight: 1.32 kg (2.9 lbs)