3M™ LifeASSURE™ PLA series filters are 3M's latest advance in membrane filter technology. Encompassing two leading-edge processes, multi-zone microporous membrane manufacture and Advanced Pleat Technology (APT) pleating construction, the LifeASSURE™ PLA series filters offers unmatched protection of final membrane filters, as well as exceptionally long service life. Designed with pleated Nylon 6,6 membrane in an all-polypropylene construction, LifeASSURE™ PLA series filters are ideally suited for a wide range of prefiltration and clarification applications in the pharmaceutical, biological, and bioprocess industries.