Sold as 1 Each WORKS WITH BROTHER GENUINE TONER: Part of an effective printing system, this long-lasting Drum Unit works in tandem with Brother Genuine TN830 Standard and TN830XL High Yield Black Toner Cartridges COMMITTED TO THE ENVIRONMENT: Brother’s recycling program encourages consumers to return used drum units to Brother, so that they may be properly recycled and kept out of landfills PRECISE PERFORMANCE: Expertly engineered for reliable, consistent toner distribution and even flow on every page Yields of up to 15,000 pages; produces crisp, professional-looking black white laser prints