The Ubinki Compatible DR730 Drum Unit is a replacement for the Brother DR-730 DR7 drum unit, designed to provide high-quality printing results. With a page yield of up to 12000 pages, this black drum unit is lightweight at 2.44 pounds and measures 12.4 x 8.23 x 5.71 inches. Perfect for those looking to maintain their printer's performance without the need for constant replacements, the Ubinki DR730 Drum Unit ensures reliable and consistent printing outputs.