Supply District - Compatible DR-720 Drum Unit for Brother HL-5440 HL-5450 HL-5470 HL-6180 Premium Drum Cartridge to replace Brother DR-720 For DCP-8110DN, DCP-8150DN, DCP-8155DN, HL-5440D, HL-5450DN, HL-5470DW, HL-5470DWT, HL-6180DW, HL-6180DWT, MFC-8510DN, MFC-8710DW, MFC-8810DW, MFC-8910DW, MFC-8950DW, MFC-8950DWT Save 70% or more over Brother Original Products. New in Factory Packaged Box Duty Cycle: Approx. 30,000 pages @ 5% coverage Guaranteed to Work. 1-Year Warranty, ISO9001 Certified Product