HI-VISION&reg; Compatible Brother DR720 Drum Unit TN720 Toner Cartridge for DCP-8155DN,8150DN,8110DN,HL-5450DN,5470DW,5470DWT,6180DW,6180DWT,MFC-8710DW,8910DW,8950DW,8950DWT printer 2 pack DR-720 TN720 Drum Unit: up to 30,000 Pages at 5% Coverage; Toner Cartridge: up to 3,000 Pages at 5% Coverage Ship within 1-2 business days Suggested Shelf life: 24-36 months at room temperature 180 days Money Back Guarantee and 1 Year warranty replacement Against Product Defect including Amazon Prime orders Premium Quality Cartridge is made by ISO9001 Certified Factory to Meet OEM Standards