Certain features of will be down for maintenance Saturday afternoon/evening, February 24th starting at 3:00 pm CT until 9:00 pm CT.

Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.


The ValvTool is a uniquely designed wrench that provides easy access for changing sample loops or replacing fittings on Rheodyne valves. Its slotted socket can be used for working with 1/4in. stainless steel HPLC fittings, as well.

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55087-U ValvTool