Speedy Inks - 3PK Compatible Panasonic Black Printer Ribbon KX-P160 For use in: Panasonic KX-P160, Panasonic KX-P165, Panasonic KX-P2130, Panasonic KX-P2135 Each ribbon cartridge yields 3 million characters Shelf Life: 24-36 months Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty