How does PUPSIT work?

Q: How does PUPSIT work?

In PUPSIT, the filter is first sterilized and wetted before an integrity test is performed, such as a bubble point or diffusion flow test. The test ensures that the filter is whole and functioning properly. Once the result is approved, the actual filtration process can begin.

The filter is first sterilized and wetted before an integrity test is performed, such as a bubble point or diffusion flow test. Once the test is passed, the actual filtration process can start.

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Published9 October 2025

Updated21 November 2025

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