Techno Gadget Geeks 2pk Q5942X 42X HiYld Laser Toner Cartridge For HP Laserjet 4250 4250DTN 4250TNSL 4250N 4250TN 4350 4350DTN 4350TNSL 4350N 4350TN Made Entirely of New Parts. This is not Refilled or Refurbished Page Yield: 20,000 (drum) 6,700 (toner) pages @ 5% coverage Free and Fast Shipping Within Mainland USA Only This is a Non-OEM product that is Fully Tested for Print Quality and Compatibility 100% Money Back Guarantee if Not Satisfied with this Product