Laser Tek Services&reg; Black Toner Refill for Brother TN221BK TN-221BK for the Brother HL-3140CW HL-3170CDW MFC-9130CW MFC-9330CDW MFC-9340CDW Our Toner Refill Kit comes with 1 Bottles, Easy Instructions, Funnel Cap, Latex Gloves, and Toner Wipes which will attract toner dust Product is guaranteed to be same quality print, Bottle size may vary BUT gram load is always the same. Each Bottle is good for at least the same page yield as a new cartridge, usually a bit more. Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Servicesoffers free technical support for any questions you may have. Save big each time you refill and GO GREEN!!!