The Hewlett Packard CF237Y toner cartridge is a extra high capacity capacity unit that offers users the very cheapest prints per page in all compatible printers. Compatible with fine printers like the HP LaserJet Enterprise M608dn, this HP 37Y represents the very finest black and white prints on the market. Offering an estimated 41,000 prints, each of these genuine Hewlett Packard CF237Y toner cartridges are great value. Although the HP 37Y is one of the most reliable printing products on the market, Hewlett Packard still offer a full guarantee on the cartridge directly.