765-9 2-PACK for DM300c DM400c DM450c Postage MetersThis package contains two ink cartridges designed for use in DM200c, DM300c, DM400c, and DM450c postage meters. Each cartridge serves as a replacement for OEM part number 765-9, helping you maintain continuous operation of your mailing machine. The cartridges deliver up to 8,000 impressions without advertising, or approximately 4,500 impressions with an ad printed on each poundsProductdimensions3.2 x 2.2 x 4.6 inches