Awesometoner Compatible 4 Pack DR221 BK C M Y Drum Unit For Brother HL-3170CDW MFC-9330CDW HL-3140CW MFC-9130CW High Yield CMY : 1,400 Pages ; BK : 2,500 This is an Awesometoner Replacement, alternative to OEM product. ONE YEAR WARRANTY - Contact us with any quality issues within 1 year from the date of purchase and we will send a replacement or a refund depending on your preference. Color: Black,Cyan,Yellow,Magenta | Page Yield: BK 2500 CMY 1400 pages (based on 5% coverage per page). Compatibility: HL-3170CDW,MFC-9330CDW,HL-3140CW,MFC-9130CW This replacement toner cartridge is ISO9001 and ISO14001 Certified.