Volume: 2ml (standard volume) 1.5ml(actual volume) Application: HPLC and GC system. Dimensions: 11.6 x 32mm. Neck Diameter: 10mm. Qty/Pack: 100pcs/pack. Payment: T/T. MOQ: 1pack. Round Bottom Headspace Vials 20MM Crimp Caps Corrosion Resistance. 20 mm Crimp Round Bottom & SPME - CM Science.