I-Chem* 40 ml Clear Vials with 0.060 in. Thin Septa

Clear vials with thin (0.060 in.) Teflon*/silicone septa. Thin septa are easy to puncture with syringe needles, and are ultrasonically bonded to the 24-414 polypropylene closures. No adhesives are used.
. 200 and 300 Series vials are guaranteed to meet the EPA's Performance Based Specifications for Volatile Organic Analysis. Also TOC certified. 200 Series vials are not supplied with a certificate of analysis (can be obtained by request), or bar code labels
. 100 Series vials are made of the same materials and subject to the same material specifications as the 300 and 200 Series; however, they are not processed, certified or bar code labeled, and analysis labels are not included
. 24-414 closure size