The CANON NPG-67 Drum Unit is a high-yield consumable designed for use with Canon machines including the iR-ADV C3520i, iR-ADV C3525i, iR-ADV C3530i, iR-C3020 and iR-C3120 models. The drum unit is available in black, yellow, magenta, and cyan colors, with yields of up to 69,000 pages for black and 54,000 pages for cyan, yellow, and magenta. This product provides reliable and efficient printing results, making it an ideal choice for businesses that require long-lasting and high-quality print output.