The compatible Lexmark P450 ink-jet cartridges from LD Products are Guaranteed to meet or exceed the print quality of the OEM Lexmark P450 inkjet cartridges. Purchasing our compatible Lexmark P450 ink cartridges is an excellent way to save money without sacrificing quality. We also carry refill kits. Our refill kits for the Lexmark P450 allow you to save the most because they refill empty ink cartridges several times. Our Lexmark P450 compatible Ink Cartridges have a 'Lifetime Guarantee'. The use of our compatible Ink for the Lexmark P450 does not void your printer's warranty. We also carry OEM Cartridges for your Lexmark P450 printer.