Package Included: 4 Packs of LxTek Purify Cartridge canon 137 black toner cartridge replacement for Canon 137 Cartridge CRG 137 Toner Black Toner Cartridge. Page Yield: Up to 2,400 pages per 137 crg137 toner cartridge 9435B001AA at 5% coverage. Canon 137 black toner cartridge compatible with ImageCLASS D570 ImageCLASS LBP151dw ImageCLASS MF212w ImageCLASS MF216n ImageCLASS MF217w ImageCLASS MF227dw ImageCLASS MF229dw ImageCLASS MF232w ImageCLASS MF236n ImageCLASS MF244dw ImageCLASS MF247dw ImageCLASS MF249dw ImageCLASS MF242dw ImageCLASS MF222dw ImageCLASS MF211 ImageCLASS MF23bn printer. LxTek Purify CRG137 toner with the latest smart chips and rigorous quality testing procedures to ensure flawless print quality. Each of LxTek Purify's canon cartridge 137 is certified to international standards, providing you with clear colors, vivid results, and the perfection of use and viewing.