Toner Refill Store 4 Pack Replacement Samsung CLT-508L High Yield Toner Cartridges (CLT-K508L, CLT-C508L, CLT-M508L, CLT-Y508L) for the Samsung CLP-620ND, CLP-670N, CLP-670ND, CLX-6220FX, CLX-6250FX Page Yield: 5,000 pages for black and 4,000 pages for colors @ 5% page coverage Package contains 1 Black CLT-K508L, 1 Cyan CLT-C508L, 1 Magenta CLT-M508L, and 1 Yellow CLT-Y508L High Yield Replacement Toner Cartridges For use in the following printer models: Samsung CLP-620ND, CLP-670N, CLP-670ND, CLX-6220FX, CLX-6250FX Toner Refill Store offers free technical support for any questions you may have and our Product Comes with a 1 year 100% Satisfaction Guarantee! Northland Wholesale is the exclusive seller of Toner Refill Store toner refill kits, Inkjet Cartridges, Toner Cartridges, and Drum Units