This is a compatible FP Mailing Postbase ink cartridge (42ml Version). It uses Royal Mail Approved smart blue franking ink and it comes directly from Meter Envelopes. Perfectly designed for the FP Mailing Postbase Qi3 / Qi4 / Qi6 / Qi9 / Econ / Office / Enterprise / Enterprise Pro / Ten / One franking machine models.
Meter-Envelopes are one of only two companies in the UK that have their own unique brand of franking machine ink, approved by the Royal Mail. The franking ink used in this FP Mailing Postbase ink cartridge (42ml Version) is fully compatible with all FP Mailing Postbase franking machines. It is guaranteed to last the same amount of impressions and the same life span as an original cartridge brought directly from FP Mailing.