2022/3/29 · Septa Seal at Thomas ScientificCrimp Seals with Septa. National Scientific. 11 mm 2695B50, B53, B55 and B57 are made of the highest quality, medium durometer red rubber with a thi Vial, Crimp, Headspace, 10mL Clear Glass 22.5x46mm. 20mm Beveled Edge.