HP cartridges connector to transfer unused left-over materials to charge another cartridge. Everyone has those two-thirds empty impression material cartridges that they do not know what to do with not enough to make a new impression but too wasteful to throw out. Don't throw them away! Use CONNECTOR Impression Cartridge Transfer Connectors to transfer good unused material from three to four partial tubes and refill one tube. One connector can transfer an entire batch of cartridges at a time. For use with high-performance (rounded flange) automix cartridges. Five reusable plastic connectors per pack.

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov.