LCL Compatible Toner Cartridge for OKI B411 B431 MB491 MB461 MB471 2-Pack BlackThis two-pack of compatible toner cartridges replaces OKI models including B411, B431, MB491, MB461, and MB471 printers. Each cartridge yields approximately 4,000 pages at 5 percent coverage, meeting standard letter and A4 page requirements. The cartridges are manufactured in ISO 9001/14001, STMC, CE, and ROHS certified facilities using high-quality toner with optimized particle size distribution for clear images and high gloss finish. Each unit is packaged in a separate box suitable for long-term storage, preventing damage or toner leakage. All cartridges undergo three-stage testing including raw material reliability checks, color fidelity testing, and strict double poundsProductdimensions7.8 x 4.0 x 12.6 inchesPartnumber