Our Compatible toner cartridge for OKI 43900000 is specially designed to give you the same quality prints as the original OEM product. This laser toner cartridge has a page yield of approximately 2000 pages at 5% coverage. We guarantee the performance and quality of our compatible toner cartridge meets or exceeds all OEM standards. Plus, our products are backed by a 5 year warranty and a next day replacement service, so you can rest assured that you are getting a reliable and quality product. Prices exclude VAT. Please note that all products are non-original/non-OEM.