Renewable Toner Compatible Toner Cartridge High Yield Replacement for HP 81X CF281X LaserJet Enterprise M605DN MFP M630f (Black) LOW COST, HIGH VALUE. RT replacement for HP 81X toner. Printing cost is as low as .005 cents per page, up to 60% less than HP CF281X original toner cartridges. QTY: 1 (1 Black) RT Compatible HP 81X toner cartridge OEM #: HP CF281X / HP 81X | Yield: 25,000 pages based on 5% coverage Compatible with HP Laserjet Enterprise M605X, M605N, M605DN, M606DN, M606X, M630f, M630h, M630z MFP LIFETIME WARRANTY. We honor our warranty regardless of purchase date, even if the Amazon return window has closed