Cap Type Crimp Top, Headspace Cap Size 20mm Vial Size ND20 Color Clear / Transparent Material Borosilicate Glass Working Volume (mL) 10mL Working Volume (μL) 10000 μL Bottom Flat View Details Screw Top 18mm Clear Glass 20mL Headspace GC Autosampler Vials w/ Round Bottom - Pack of 200 TSH-CV1978