Renewable Toner Compatible Toner Cartridge Replacement for HP CF281A 81A LaserJet Enterprise M604 M605 M606 M630 MFP (Black, 2-Pack) LOW COST, HIGH VALUE. RT replacement for HP 81A toner. Printing cost is as low as .005 cents per page, up to 60% less than HP CF281A original toner cartridges QTY: 2-pack (2 Black) RT Compatible HP 81A toner cartridges Replaces OEM #: HP 81A / HP CF281A | Yield: 10,500 pages based on 5% coverage Compatible Printers: HP LaserJet Enterprise M604N, M604DN, M605N, M605DN, M605X, M606DN, M606X, M630f, M630h, M630z MFP LIFETIME WARRANTY. We honor our warranty regardless of purchase date, even if the Amazon return window has closed