Original hp inkfor consistent, reliable results, the hp 304xl tri colour ink cartridge helps you to print vivid photos and everyday documents in great quality.built and tested to deliver crisp text and darker tones, the hp 304xl cartridge lets you print up to 300 pages. This cartridge is ideal for getting your work printed, and can be recycled at no charge with hp planet partners.hp instant inksave up to 70% on ink with hp's instant ink service. When your printer is running low, it automatically orders more ink cartridges, so you don't have to order them yourself.the service works on how many pages you print, not how much ink you use. You can choose from a range of monthly page plans, and unused pages roll over to the next month. The price includes ink, shipping and cartridge recycling.compatible printers hp amp 130 hp deskjet 2000 series hp deskjet 3000 series hp envy 5000 series