PreCleaned and certified 40ml clear EPA Vial, cap with bonded Silicone/PTFE septum

Pre-Cleaned Certified EPA VOA Vials are specialized containers designed for the collection and storage of samples for testing volatile organic compounds (VOCs), total organic carbon (TOC), and other chemical analyses required by environmental protocols.
Pre-cleaned and certified (<10 ppb TOC)

27.5x57mm; 27.5×95mm; 27.5x140mm Clear Vial Borosilicate Glass 

Closure : 24-414 Open Top PP Screw Cap with bonded 22mm Natural PTFE/White Silicone 3.0mm Thick Septa (EPA Quality).