E-Z Ink (TM) Compatible Toner Cartridge Replacement for Samsung 504 504s CLT-K504S CLT-C504S CLT-M504S CLT-Y504S (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) 4 Pack Toner Cartridges Brand: E-Z ink Page Yield: Black is 2,500 pages per toner cartridge. Color is 1,800 pages per toner cartridge. All toner cartridges are manufactured in an ISO 9001 certified facility All toner cartridges are engineered to produce superb results. All products covered by a 100% satisfaction guarantee and 1 year warranty. Compatible with CLP-415NW, CLX-4195FW, SL-C1810W, SL-C1860FW Laser Printer