Our compatible Panasonic KX-FPC91 ink cartridges are designed for user-friendly installation and deliver high-quality results with every page. Our discount ink cartridges are designed specifically for your printer, making these products an economical alternative to an original Panasonic ink cartridge. We perform a series of tests on our ink cartridges for Panasonic KX-FPC91 printers to confirm that our products create high impact colors and professional print quality on every page. Our customers can buy with confidence knowing that we stand 100% behind our products. All ink and toner cartridges include a 1-Year warranty and 100% customer satisfaction guarantee.