High page yield: Because the bottle is so large, the ink was only half the bottle size, and the actual amount of ink was as requested. 4,000 pages per 90ml GT53 black bottle, 8,000 pages for 70ml HP GT52 color ink bottles (5% cover of A4 paper). Compatible Printer: Compatible with HP Ink Tank 319 410 419 Smart Tank 500 502 508 511 514 515 518 519 530 531 532 533 538 571 615 618 655 7200 750 790 Deskjet GT 5810 5820 5822 115 118 310 311 315 318 319 410 411 412 415 416 418 419. Package Contents: 4 compatible for HP GT53 black ink bottle, GT52 ink bottle (1 cyan/1 magenta/1 yellow). Chip and Print Quality: The TacTing replacement for HP GT52 ink bottles displays accurate ink levels, ensuring perfect compatibility with brand printers. It's easy to install and prints smoothly without clogging. Clear print quality and vivid colors.