Autosampler Vials Cap,9mm Blue Polypropylene Screw-Thread Caps with PTFE Red/Silicone White Septa by Biomed Scientific: Amazon.com: Industrial & Scientific
SC2 Open Black Septum Screw Cap — FireflySci Cuvette Shop
CAP-06680 | 28-400 White PP Hole Cap w/ Bonded Septa - Qorpak
Septa Cap – Vinmetrica – Sulfite (SO2), Malic, Alcohol & pH/TA tests for Wine, Beer & Kombucha.