Cat. No Model Description Unit Price V05-137-579 N73824-11  Aluminum Seal w/ PTFE Faced Silicon Septa 11, Natural 100/PK 291,300 V05-137-585 N73824-13  Aluminum Seal w/ PTFE Faced Silicon Septa 13, Natural 100/PK 378,600 V05-137-597 N73824T-20  Aluminum Seal w/ PTFE Faced Silicon Septa 20, Natural 100/PK 382,300

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1       V05-137-579        100/PK 2       V05-137-585        100/PK 3       V05-137-597        100/PK Price 291,300 378,600 382,300