For consistent, reliable results, the HP 304 Black 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 304 Cartridge is compatible with the HP DeskJet 3720 and 3730. Letting you print up to 120 pages, the 304 Black Cartridge is ideal for getting your work printed, and can be recycled at no charge with HP Planet Partners.
