How do I tell the difference between 1.1 mm and 1.5 mm diameter SPME Arrows?

30 Jul 2025

Restek Corporation

Smart SPME Arrows: The 1.1 mm Smart SPME Arrow has a red body, whereas the 1.5 mm Smart SPME Arrow has a yellow body.

diagram of 1.1mm and 1.5mm Smart SPME arrows

Non-smart SPME Arrows: The 1.1 mm SPME Arrow has one ring around the hub, whereas the 1.5 mm SPME Arrow has two rings around the hub.

1.1mm and 1.5mm SPME arrows with the rings pointed to

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Restek Corporation

Restek is a leading provider of chromatography columns, accessories, and certified reference materials. Trust Restek for reliable, high-quality analytical solutions.
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