TOS &copy; 5 PACK NEW-Remanufactured Replacement for Samsung CLT-(2B/1C/1Y/1M)506L (CLP-680ND, CLX-6260FD, CLX-6260FW) (CLT-K506L / CLT-C506L / CLT-Y506L / CLT-M506L)- High Yield Laser Toner Cartridges This product is by TOS