MedWrench is available to help people with specific questions and troubleshooting problems. Could you please be more specific with the issue that you are having with your instrument, and the MedWrench team will do their best to assist you in solving the issue. This will also help other community members who face similar challenges.
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All four steam manifold kits in one box = P764326475 (S2/S9 Rubber plungers)
S2/S9 - P764326478 (Rubber) OR P764334471 (Delrin)
S35 - P764326479
S1 - P764326477
Vague question, but maybe that helps!