This Lexmark 37XL is a tri-colour high yield cartridge for refilling selected Lexmark inkjet printers. It continuously provides water resistant, vibrant colour pictures, graphs & diagrams with precise, consistent drop placement. The 37XL cartridge prints three times more pages than the Lexmark 37 cartridge. It has a page yield of 500 pages at 5% coverage. The Lexmark 37XL delivers vibrant prints from the first print to the last & is ideal for students & everyday home & office use. Please note that this item is delivered direct from our supplier & may take a little longer to arrive.