Laser Tek Services &reg; 2 Pack Black Toner Refill Kit with reset chips for the Dell 1815 1815dn 310-7945 310-7943 PF658 Kit comes with 2 Bottles, 2 reset chips, Easy Instructions, Funnel Cap, Latex Gloves if needed, and a Toner Cloth Wipe Ships Directly from our warehouse within 1 business day! Each Bottle is good for at least the same page yield as a new cartridge, usually a bit more. Great phone support with Laser Tek Services, not usually needed, but if you need it we are there for you. Save big each time you refill and GO GREEN!!!