SL-870-1 Red Ink Cartridge for Pitney Bowes SendPro Mailstation CSD1 PostageThis two-pack of red ink cartridges is designed to keep your postage meter running reliably. The fluorescent red formula produces clear, sharp impressions on all your mailing tasks. Each cartridge delivers a high page yield, making these a practical choice for businesses with significant mailing volumes. The cartridges are manufactured in the United States and are engineered to provide consistent ink flow without poundsProductdimensions5.0 x 2.1 x 6.0 inches