RestekMagnetic Crimp-Top Caps, Silver, 20 mm with PTFE/Silicone Septum w/8 mm Hole, 1000-pkSKU · 28891
RestekMagnetic Crimp-Top Caps, Silver, 20 mm with PTFE/Silicone Septum w/8 mm Hole, 100-pkSKU · 28890
RestekMagnetic Screw-Thread Headspace Caps, 18 mm and Blue PTFE/Silicone, 1.5 mm thick Septa for SPME, 1000-pk.SKU · 23091
RestekMagnetic Screw-Thread Headspace Caps, 18 mm and Blue PTFE/Silicone, 1.5 mm thick Septa for SPME, 100-pk.SKU · 23090
RestekMagnetic Screw-Thread Headspace Caps, 18 mm and PTFE/Red Chlorobutyl Septa, 1000-pk.SKU · 23095
RestekMagnetic Screw-Thread Headspace Caps, 18 mm and Red PTFE/Silicone, 1.9 mm thick Septa, 1000-pk.SKU · 23093
RestekMagnetic Screw-Thread Headspace Caps, 18 mm and Red PTFE/Silicone, 1.9 mm thick Septa, 100-pk.SKU · 23092