GS001188-40mL 27.5x95mm Amber Glass EPA/TOC Vial 24-400 Screw Thread.(EPA Quality). 100pcs/pk 1 GS000342-40mL 27.5x95mm Clear Glass EPA/TOC Vial 24-400 White Open Top PP Screw Cap with 22mm Natural PTFE/White Silicone 3.0mm thick Septa (EPA Quality) and Dust Cover. 72pcs/pk 1