Inktoneram Compatible Drum Replacement for Okidata B401 B401d B401dn MB441 MB451 MB451W 44574309 (Drum) This package contains: 1 Inktoneram Replacement drum to replace Okidata B401 ( 44574309 ) Drum. (THIS IS A COMPATIBLE REPLACEMENT PRODUCT ONLY. THIS IS NON-OEM .) To replace Cartridges with part numbers : 44574309 Page Yield : 25,000 Pages / each cartridge at 5% coverage Printer Compatibility: Okidata: B401, B401d, B401dn, MB441, MB451, MB451W Warranty: Our Compatible Inktoneram Replacement drum units to replace Okidata B401 drum units are manufactured under strict ISO-9001 standards. They are excellent economical alternatives to the high-cost OEM Okidata B401 drum units. These cost-effective drum units will provide high quality prints that meet OEM standards and are guaranteed against defect. Our compatible Replacement drum units to replace Okidata B401 come with a 90 day 100% money back guarantee.