Brand: KYOCERA Item model number: TK-439 Type: Toner Cartridge Unit YIELD: Estimated 15,000 pages @ 5% Compatible With: Kyocera TASKalfa 180 Printer Kyocera TASKalfa 181 Printer Kyocera TASKalfa 220 Printer Kyocera TASKalfa 221 Printer Have a quoted yield of 15000 pages from each Toner Cartridge (approximate yield declared in accordance with ISO standard) Expandable features High toner yield This is a TK-439 Toner Cartridge - it has been designed to work with a range of Kyocea printers, details of which are provided below. This laser toner cartridge will print around 15,000 A4 pages at 5% coverage Brand Kyocera SKU KY580EL18DE90NAFAMZ-283849 Model TK-439