Printing a New Respirator (IMAGE) University of Pittsburgh Caption ExOne 3D printed a reusable, sterilizable copper filter to fit inside a cartridge designed and 3D printed by Pitt. The set is undergoing testing and is being optimized with the goal of adhering to an N95 standard. Once complete, the filter can be printed to fit inside respirators, ventilators, anesthesia masks or other equipment. Credit University of Pittsburgh Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.