Aijiren Techbrand 20mm Crimp Seal, Red, Magnetic Bimetal 16/4/2021 · Aijiren Techbrand 20mm Crimp Seal, Red, Magnetic Bimetal Cap, 8mm Center hole, Assembled septum 16388377 Bi-Metal Cap Re Aijiren Techbrand Headspace Vials 10mL; Flat Bottom, Beveled.