– Premium Compatible Ink Cartridge – For Pitney Bowes Franking Machines DM300, DM400, DM300c, DM400c, G920, RGR920, DM475c, DM300M, DM400M, DM475M SendPro C Auto – Original Pitney Bowes part n. BLUE 765-9SB – Original Pitney Bowes part n. RED 765-9RN – Worldwide Postal Specifications Compliant – Cost Effective – Peerless Quality