LxTek Compatible with 137 Toner Cartridge Leak compatible toner cartridge replacements for Canon 137 have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience. Page Yield: 2,400 pages per toner cartridge at 5% coverage Compatible Printers: Canon Image Class LBP151dw, Image Class MF236n, Image Class MF247dw, Image Class MF244dw, Image Class MF249dw, Image Class MF216N, Image Class MF227DW, Image Class MF229DW, Image Class MF212W, Image Class MF217W, Image Class MF222DW, Image Class MF211, Image Class MF232W, Image Class D570 Printer Package Contents: 5 Pack (5 Black) compatible Canon 137 toner cartridges : 1-year limited / Shelf life: 18-24 months