HP 21 AP Inkjet Cartridge - Black [C9351AA]

HP 21 AP Inkjet Cartridge - Black

When quality and reliability matter, choose Original HP Cartridges.Boost your team's productivity with affordable, reliable, and professional-quality printing, page after page.

Value for money

Get reliable printing and save more with Original HP Inks that print up to 2x more pages than non-HP inks. Choose XL packs for value and convenience.

Memories that last

Choose Original HP Ink cartridges for fade-resistant printing of photos and documents that last generations with reliable and consistent performance.

Prints that care

HP cares about your indoor air quality. Original HP Ink meets air quality standards and our printing systems prevent excessive emissions.

Sustainability in mind

Feel good about printing knowing most Original HP Ink cartridges are made from recycled materials including plastic bottles and ocean-bound plastics.

Recycled content matters

82% of new HP Ink cartridges contain recycled materials, made from returned cartridges and other plastics for a circular economy.

Let's not waste

HP recycles billions of plastic bottles for eco-friendly ink cartridges, reducing waste, water usage and fossil fuel consumption.

Outstanding vibrant colours

Let your photos stand out. Our advanced technology creates 16.5 million vibrant colour combos in every 4x6 print - with 35 million ink drops.

Lightning-fast printing

HP Ink drops print 2,000 times faster with revolutionary technology for unmatched, high-quality prints.

Trusted & reliable

Up to 64% of tested non-HP inks failed out of the box or prematurely.