Toner Refill Store Compatible Toner Cartridge Replacement for Brother TN660 ( Black , 1-Pack ) Package Contains 1 Black TN660 Compatible Cartridge Page Yield: 2,600 pages @ 5% coverage per cartridge Product Comes with a 1 year 100% Satisfaction Guarantee and All of our cartridges and drums are made at an ISO-9001 certified factory so you can expect premium quality Toner Refill Store offers free technical support for any questions you may have Northland Wholesale is the exclusive seller of Toner Refill Store toner refill kits, Inkjet Cartridges, Toner Cartridges, and Drum Units