O-Ring, 1.609 I.D., 0.139 cross section.  Manufactured of ethylene propylene.  Used on the temperature control jacket on:

• Model 30D Syringe Pump
• Model 100DM Syringe Pump
• Model 100DX Syringe Pump
• Model 260D Syringe Pump

Estimated Shipment Time (After Receipt of Order):  7 Day(s)