This high-yield Lexmark No. 37 XL Tri-colour Ink Cartridge is extra large & contains high-quality ink to deliver superior image quality, great reliability & higher page yields, so you can enjoy beautiful prints of all your memories & important documents with more efficient, affordable & reliable printing. The genuine Lexmark No. 37 XL Tri-colour Ink Cartridge is compatible with Lexmark Z2430 Inkjet, X3650, X4650, X5650, X6650 & X6675 All-in-One colour inkjet printers.