Premium, remanufactured print cartridge is designed for use with Hewlett-Packard LaserJet 4240n, 4250n, 4250tn, 4250dtn, 4250dtnsl, 4350, 4350n, 4350tn, 4350dtn, and 4350dtnsl. Cartridge yields approximately 10,000 pages. Elite Image is ISO certified.