Ankink brand replacement drum unit, model DR420, for Brother printers. It is a component that works with toner cartridges to produce prints. Here's some helpful information:

It is compatible with various Brother printer models including the HL-2220, MFC-7240, and DCP-7060D series.

It is designed to last for approximately 12,000 pages.

The package contains two drum units.

It is used in conjunction with a toner cartridge, which is a separate component.

Replacing the drum unit is necessary after several toner cartridge replacements to maintain print quality.