Get beautiful streak-free mono prints with Cartridge 737 Bk which works seamlessly with your Canon device to give you approximately 2,400 pages (ISO 19752 measured).BenefitsThis product is compliant with RoHS (2011/65/EU) and its amendments, including (2015/863/EU) and other RoHS-like legislations in countries/regions other than the EU, which means that materials are less hazardous to the environmentReturn every toner cartridge to be reused or recycled. It's free, easy and environmentally friendlyGet beautiful streak-free mono prints with Cartridge 737 Bk which works seamlessly with your Canon device to give you approximately 2,400 pages (ISO 19752 measured).BenefitsThis product is compliant with RoHS (2011/65/EU) and its amendments, including (2015/863/EU) and other RoHS-like legislations in countries/regions other than the EU, which means that materials are less hazardous to the environmentReturn every toner cartridge to be reused or recycled. It's free, easy and environmentally frie