Sartorius Sartocheck 4 Plus Filter Integrity Tester Excellent Millipore Pall. Fully automatich filter integrity testing device. In full compliance with 21 CFR Part 11. A large accessory package makes Sartocheck 4 plus flexible, powerfull and creates solutions for almost all customer needs. Comes with the accessories well tubing connected. Very nice and clean physical condition. For more details and pictures please contact us.