Our cartridges are OEM equivalent compatibles. We sell these cartridges because we believe that they represent the best value for our customers. They are not anywhere near as expensive as original equipment / name brand. We only deal with cartridges that are manufactured in facilities that are ISO9000 approved and meet very strict standards. Each cartridge is thoroughly tested for quality and all parts are new. That is why we consider our products to be the best value for our customers. They are great quality at a great price.