Inktoneram Compatible Drum Replacement for Okidata B411 / B431 B411d B411dn B431d B431dn MB461 MB471 MB471w MB491 44574301 (Drum) This package contains: 1 Inktoneram Replacement toner cartridges to replace Okidata B411 / B431 ( 44574301 ) Drum. (THIS IS A COMPATIBLE REPLACEMENT PRODUCT ONLY. THIS IS NON-OEM .) To replace Cartridges with part numbers : 44574301 Page Yield : 30,000 Pages / each cartridge at 5% coverage Printer Compatibility: Okidata: B411d, B411dn, B431d, B431dn, MB461 MFP, MB471 MFP, MB471w MFP, MB491 MFP Warranty: Our Compatible Inktoneram Replacement drum units to replace Okidata B411 / B431 drum units are manufactured under strict ISO-9001 standards. They are excellent economical alternatives to the high-cost OEM Okidata B411 / B431 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 B411 / B431 come with a 90 day 100% money back guarantee.