20mm Gold Magnetic Seal, 8mm Hole, Thin 0.060" PTFE/Clear Silicone for SPME SKU: 5156TP8-20SP View Details Add to Your List
20mm Gold Magnetic Seal, 8mm Hole, 0.125" Clear PTFE/Clear Blue Silicone Lined SKU: 5150BTP8-20 View Details Add to Your List
20mm Blue BiMetal Seal, 3mm Thick Clear PTFE/Blue Silicone, Ultra Low Bleed SKU: 5150BMUL-20B View Details Add to Your List
20mm Silver Seal, 3mm Thick Clear PTFE/Blue Silicone Septa, Ultra Low Bleed SKU: 5150UL-20 View Details Add to Your List
20mm Silver Seal, 3mm Tan PTFE/White Silicone Rubber, UltraClean Septa for High Temperatures (up to 250°C) SKU: 5150HT-20 View Details Add to Your List