Thermo Fisher Scientific Screw Cap SureSTART Level 3, 18 mm, Silver Steel Magnetic, with White Silicone / Silver Aluminum Septa, 1.3 mm, for PFAS, 100

Use Thermo Scientific™ SureSTART™ Precision 18 mm Screw Caps (Level 3) with 18 mm-opening screw vials for the ultimate performance and sensitivity of your methods, while ensuring the highest level of sample security and integrity.