20mm Silver Pressure Release Seal, 0.140" PTFE/Butyl Rubber Pharma-Fix Septa Lined SKU: 5142PR-20 View Details Add to Your List
20mm Silver Seal, Pharma-Fix Molded Gray PTFE/Black Butyl Lined SKU: 5142-20 View Details Add to Your List
20mm Gold Tin Plate Magnetic Seal, 5mm Hole, 0.131" PTFE/Butyl Rubber Lined SKU: 5144TP5-20 View Details Add to Your List
20mm Gold Tin Plate Magnetic Seal, 8mm Hole, 0.131" PTFE/Butyl Rubber Lined SKU: 5144TP8-20 View Details Add to Your List