123inkjets offers high quality compatible alternatives to original HP CF363X / HP 508X high yield magenta laser toner cartridges for your printer. Our compatible brand CF363X magenta laser toner cartridges are made with new parts, not remanufactured from pre-existing parts. Further, our compatible brand CF363X laser toner cartridges are built and tested completely in house, and not manufactured by HP. Exceptional yields and remarkable results at a phenomenal discount! All 123inkjets brand compatible cartridges are backed by a 2 year guarantee and ship fast!