Refurbished Peak Infinity 1031 Nitrogen Generator. 19L/min. Membrane technology is at the heart of the Infinity 1031, generating laboratory-grade nitrogen on-site to users with an existing air supply. With the ability to perform at its maximum 24 hours a day, if required, and minimum maintenance requirements, the Infinity 1031 is a durable, hassle-free solution for Sciex LC-MS instruments. Please contact us for complete Peak nitrogen generator details.