Pre-use post-sterilization integrity testing (PUPSIT) is a process used to verify the integrity of a sterilized filter before it is used in a critical process to ensure that the sterilisation and installation process has not damaged your sterilisation filter prior to filtration of your product. PUPSIT is an important step in ensuring the sterility of the final product and is commonly used in the pharmaceutical, biotech, and medical device industries. Visit Site>> DDE