These Inkfirst compatible remanufactured TN-420 TN-450 black toner cartridges are manufactured in ISO9001 and ISO40001 certified manufacturing facilities. These Brother TN-420 TN-450 replacement toner cartridges are cost-effective and they offer professional high printing quality for all your printing needs. You'll be getting the same OEM Brother TN-420 TN-450 (TN420 TN450) toner cartridges printing quality but only at a fraction of the cost. Save even more now with the purchasing of this value pack of 4 Brother TN-420 TN-450 compatible toner cartridges. These replacement Brother TN-420 TN-450 toner cartridges are for use in the following Brother printers: Brother DCP-7060D / DCP-7065DN, HL-2220 / HL-2230 / HL-2240 / HL-2240D / HL2270DW / HL-2280DW, MFC-7360N / MFC-7460DN / MFC-7860DW.