Pitney Bowes Postage Meter Red Ink Cartrige for Models DM200, DM300, DM400 Red Ink Cartridge for DM200, DM300, DM400 Meters The only ink formulated specifically for Pitney Bowes equipment Meets or exceeds USPS REQUIREMENTS Yields up to 7000 impressions Still readable if wet, so even wet mail can be delivered by the USPS