The 2PK CF226X Ink Toner by Aztech is a compatible product designed for use with HP LaserJet Pro printers such as M402dn, M426fdw, MFP M426, and others. This black toner cartridge has a high print technology of laser and features a page yield of 9,000 pages at 5% coverage. With a chip included for easy identification and tracking, this product is a reliable and cost-effective choice for those looking to maintain high-quality prints with their HP printers.