Keep your mailing operation running smoothly with these high-capacity red ink cartridges designed for postage meters. Each cartridge yields approximately 3,000 impressions, providing significantly more prints than standard cartridges. The USPS-approved red fluorescent ink produces sharp, professional-quality prints that remain readable even when wet and resist smearing. Featuring new chip technology for reliable purge performance, these cartridges install easily with plug-and-play functionality and no complicated key prompts. Compatible with SendPro and DM Series meters.