12 x 32 Clear 9mm Screw Top Vial, Silanized

These 12x32mm vials with an 9mm opening are excellent for long term storage. The clear vials are a Type 1 Class A (33 expansion) while the amber vials are a Type 1 Class B (for light sensitive products). They are a standard screw top opening with or without patch. These caps are produced with the highest quality silicone septa and elastomer products in the world with the lowest level of extractable anywhere. Packaged in packs of 100 with 10 packs per case.