Features: brand new and high quality Package Contents:Remanufactured Printer Ink Cartridge Replacement for HP 303 303XL , Black or tri-color. Compatible printers: for HPEnvy Photo 6220 6222 6230 6232 6252 6255 6234 7130 7134 7830 Printer. Ink volume and page yield:Black:18ml / 600 pages ; Tri-color:18ml / 450 pages (Yield are based on ISO 24711 in default mode ) (Due to for image pixels,settings and temperatures,yield may vary). High Quality Chip & Ink: Latest for smart chip is installed in our ink cartridge to allow you monitor ink levels accurately. It is dedicated to provide time-saving, cost-effective and environmental friendly ink cartridges, They are easy to install and for your printer. Spend Less,Gains More: befon remanufactured ink cartridges are tested for page yield with leading industry standard and proved to be able to produce an equal number of pages and comparable print quality to genuine ink cartridges. Specifications: Model: for HP 303 303XL Feature: Remanufactured Color: Black, Tri-Color (optional) Volume: Bk :18ml Tri-Color: 18ml Chip: With chip Page Yield: Black-600 pages , Tri-color-450 pages ( A4 5% coverage) Compatible printer: For HP for Envy 6220 6222 6230 6234 6252 6255 6258 Printers For HP for Envy 7120 7130 7132 7134 7155 7158 7164 7800 7820 For HP for Envy 7822 7830 7855 7858 7864 Printers Note: 1.Some ink cartridges with holes to add ink direcctly, some ink cartridges without holes.If there are no holes, there are tools in our ink box to drill holes easily. 2.When add ink, ink may leak, just let cartridge stand for a while, or use tools in our ink box to block for some for time. 3.We suggest adding less than 8ml black ink and less than 3ml color ink each for time.If add more, the ink may leak and print for head may not work. Package includes: 1 x for HP 303XL Ink Cartridges