EPS Compatible Replacement for Brother TN315 (TN310) Set (B,C,M,Y) Laser Toner Cartridge Type : Compatible Warranty : Lifetime Warranty, 7 days customer support. Company info is on the box. Color : one each, Black, Cyan, Yellow, Magenta Made by ISO9001 Certified Factory to Meet OEM Standards Yield : Black up to 6000 pages, Color up to 3500 pages ( based on 5% coverage )