Our rounded bottom vials,designed for high pressure strength during the heating process,or flat bottom vials,are available in 6mL,10mL,20mL,and 27mL capacities,in 20mm crimp or 18mm screw thread. Send Inquiry Get Price 2022 - 09 - 01 2ml hplc vials in clear supplier for lab use-Aijiren HPLC VialsAmber Autosampler HPLC Vials, 2.0mL.