Caps&Open Caps 39 Vials Rack&Hand Crimper 40 Test Tubes For Water Analysis 41 Sample Cell&Culture Tubes 42 GC Septa, Septa Customization 43 HPLC Syringe Waters Sample Vials and Accessories Waters Autosampler Vials, Plates, and Seals for Use LC/GC Certified Vials are UV-tested by HPLC.