6 PK DR-221 Drum unit Without Toner Replacement Compatible For Brother DR221Compatible BrandBrotherTypePremium Compatible Drum (Not OEM)ColorBlackPage Yield15,000 Pages at 5% Coverage (4A Paper)Print Technology LaserWarranty 12 monthsShelf Life3 years▲ Provide the same performance and reliability as genuine Cartridges.▲ Meeting standards of ISO 9001&14001 with premium sub-assemblies.▲ High-quality printing with every document.▲ Easy installation and never hurt your printer. ▲ 100% customer satisfaction within 90 days.▲Experience seamless printing with professional after-sales service and comprehensive quality assurance. ▲Box Included DR221 DR-221 Drum Unit Only: High Yield Black DR221 DR-221 Drum Unit,【NOT Include TN221 Toner Cartridge】