This product is guaranteed to work in the following printers:
This is an original branded HP 21 black ink cartridge twin pack. Made by HP, these genuine HP21 black inks work in your printer to give you an excellent quality print every time. Perfect for professional printing, they come with with an ink dosage of 5ml each.
Red Bus Cartridges offer a free delivery service, just order your original HP 21 cartridges before 5pm to receive on the next working day. We uphold the warranty given by HP if you are not entirely happy with your ink cartridge purchase.
Once each of your genuine HP 21 black cartridge has completed its life cycle and has no more ink left to offer your printer, Red Bus Cartridges can recycle it! We will send you a free post address label that you can use to send back your empty inkjet, simply check our environmental page for details.
These original HP 21 inks are designed to work in your HP printer so why not buy a twin pack today?
But don't worry our 100% money back guarantee means you can buy with confidence!
If you register or log in you can save your printer(s) to "My Printers".
Once logged in, find the printer you are looking for and add it by clicking the plus button in this pop out:
The printer will then appear in "My Printers" and you can get to the compatible cartridges for your printer just by clicking the name!