Integtest ® Serials Integrity Tester are designed for testing integrity of filters and filter systems . The test meet to verify the sterilizing filter in the FDA, the State Pharmacopoeia and GMP specification requirements. The V4.0 Integrity Tester is compact, handy to use, and fully automated integrity test instrument, which performs bubble point, diffusion flow, enhanced bubble point, and water-based test for hydrophobic filters.The first domestic launch of integrity test for waterbased test for hydrophobic filters to meet different customer needs.