46/46XL CZ637AE & CZ638AE Ink Cartridges — Compatible with HP 2520hc 2529 4729 2020 2029 | 21 ML High-Yield Black & Color, Leak-Proof Pack

Reliable, high-quality prints: This 46 and 46XL (CZ637AE / CZ638AE) cartridge combo produces sharp text and vivid color output with deep blacks and bright hues, suited for everyday home and office printing. Broad HP compatibility: Made to work with HP 2520hc, 2529, 4729, 2020 and 2029 inkjet printers for seamless operation. Generous yield: Each black cartridge supplies up to 21 ML and each color cartridge supplies up to 21 ML (5% coverage, A4), helping cut replacement frequency for heavy printing in offices, schools, or creative projects. Simple setup: Cartridges include a pre-installed smart chip for automatic recognition and true plug-and-play installation—ready to use within minutes. Secure packaging: Vacuum-sealed, leak-resistant packing prevents spills during shipping while preserving ink integrity to help maintain consistent printer performance.